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Standard 1 Objective 1: Describe the chemical and physical properties of various substances 121of A.A. 1 B.B. 2 C.C. 3 D.D. 4 The following data were collected.

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Presentation on theme: "Standard 1 Objective 1: Describe the chemical and physical properties of various substances 121of A.A. 1 B.B. 2 C.C. 3 D.D. 4 The following data were collected."— Presentation transcript:

1 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 121of A.A. 1 B.B. 2 C.C. 3 D.D. 4 The following data were collected by a group of students as they tested four different types of plastics. PlasticAcetoneFlame TestHeatCrease Color 1No EffectGreen ColorSoftensNone 2SoftenedNo Change White 3No EffectRed ColorSoftensNone 4No EffectGreen ColorSoftensNone Which plastic would be unsafe to use to store products that contain acetone? A. Plastic 1B. Plastic 2C. Plastic 3D. Plastic 4

2 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 121of A.A. 1 B.B. 2 C.C. 3 D.D. 4 The following data were collected by a group of students as they tested four different types of plastics. PlasticAcetoneFlame TestHeatCrease Color 1No EffectGreen ColorSoftensNone 2SoftenedNo Change White 3No EffectRed ColorSoftensNone 4No EffectGreen ColorSoftensNone Which plastic would be unsafe to use to store products that contain acetone? X A. Plastic 1B. Plastic 2C. Plastic 3D. Plastic 4 Sorry, That is the wrong answer. Read the question again. What is the substance that you are trying to use with plastic. Look at the column that has data about that substance.

3 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 121of A.A. 1 B.B. 2 C.C. 3 D.D. 4 The following data were collected by a group of students as they tested four different types of plastics. PlasticAcetoneFlame TestHeatCrease Color 1No EffectGreen ColorSoftensNone 2SoftenedNo Change White 3No EffectRed ColorSoftensNone 4No EffectGreen ColorSoftensNone Which plastic would be unsafe to use to store products that contain acetone? A. Plastic 1B. Plastic 2 X C. Plastic 3D. Plastic 4 Sorry, That is the wrong answer. Read the question again. What is the substance that you are trying to use with plastic. Look at the column that has data about that substance.

4 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 121of A.A. 1 B.B. 2 C.C. 3 D.D. 4 The following data were collected by a group of students as they tested four different types of plastics. PlasticAcetoneFlame TestHeatCrease Color 1No EffectGreen ColorSoftensNone 2SoftenedNo Change White 3No EffectRed ColorSoftensNone 4No EffectGreen ColorSoftensNone Which plastic would be unsafe to use to store products that contain acetone? A. Plastic 1B. Plastic 2C. Plastic 3 X D. Plastic 4 Sorry, That is the wrong answer. Read the question again. What is the substance that you are trying to use with plastic. Look at the column that has data about that substance.

5 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 121of A.A. 1 B.B. 2 C.C. 3 D.D. 4 The following data were collected by a group of students as they tested four different types of plastics. PlasticAcetoneFlame TestHeatCrease Color 1No EffectGreen ColorSoftensNone 2SoftenedNo Change White 3No EffectRed ColorSoftensNone 4No EffectGreen ColorSoftensNone Which plastic would be unsafe to use to store products that contain acetone? A. Plastic 1 X B. Plastic 2C. Plastic 3D. Plastic 4 Good job!!!! Click on the arrow and Move on to question 2.

6 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 221of Glass breaking into smaller pieces is an example of a: A. Chemical Property B. Physical Property C. Chemical Change D. Physical Change

7 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 221of Glass breaking into smaller pieces is an example of a: X A. Chemical Property B. Physical Property C. Chemical Change D. Physical Change After you think about the following, try again. Chemical property – Anything that could happen to a specific substance that would change it into new substances. Will the glass be a new substance after being broken?

8 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 221of Glass breaking into smaller pieces is an example of a: A. Chemical Property X B. Physical Property C. Chemical Change D. Physical Change Physical Property – Characteristics of matter that distinguish one type of matter from another and can be observed without changing the Identity of the matter. One of the physical properties of the glass has changed. After considering the following, Try Again.

9 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 221of Glass breaking into smaller pieces is an example of a: A. Chemical Property B. Physical Property X C. Chemical Change D. Physical Change After you think about the following, try again. Chemical Change – The process by which a substances becomes a new and different substance. Will the glass be a new substance after being broken?

10 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 221of Glass breaking into smaller pieces is an example of a: A. Chemical Property B. Physical Property C. Chemical Change X D. Physical Change Excellent job!!!!!!!!! Physical Change – Any time a characteristic of a substance changes but the substance remains the same substance.

11 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 321of Metal oxidizing (tarnishing / rusting) is an example of a: A. Chemical Property B. Physical Property C. Chemical Change D. Physical Change

12 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 321of Metal oxidizing (tarnishing / rusting) is an example of a: X A. Chemical Property B. Physical Property C. Chemical Change D. Physical Change You’ll have to try again. Chemical property – Anything that could happen to a specific substance that would change it into new substances. In this case there are already new substances.

13 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 321of Metal oxidizing (tarnishing / rusting) is an example of a: A. Chemical Property X B. Physical Property C. Chemical Change D. Physical Change You’ll have to try again. Physical Property – Characteristics of matter that distinguish one type of matter from another and can be observed without changing the Identity of the matter. In this case there are new substances.

14 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 321of Metal oxidizing (tarnishing / rusting) is an example of a: A. Chemical Property B. Physical Property X C. Chemical Change D. Physical Change Excellent Job!!!!!!!! Chemical Change – The process by which a substances becomes a new and different substance. Go on to question 4 by clicking on the right arrow.

15 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 321of Metal oxidizing (tarnishing / rusting) is an example of a: A. Chemical Property B. Physical Property C. Chemical Change X D. Physical Change You’ll have to try again. Physical Change – Any time a characteristic of a substance changes but the substance remains the same substance. When a physical change occurs you do not have any new substances.

16 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 421of When describing an object which of the following is a chemical property? A. Size B. Shape C. texture D. flammability

17 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 421of You’ll have to try again. Physical Property – Characteristics of matter that distinguish one type of matter from another and can be observed without changing the Identity of the matter. Size is one of the physical properties. When describing an object which of the following is a chemical property? X A. Size B. Shape C. texture D. flammability

18 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 421of You’ll have to try again. When describing an object which of the following is a chemical property? A. Size X B. Shape C. texture D. flammability Physical Property – Characteristics of matter that distinguish one type of matter from another and can be observed without changing the Identity of the matter. Shape is one of the physical properties.

19 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 421of You’ll have to try again. When describing an object which of the following is a chemical property? A. Size B. Shape X C. texture D. flammability Physical Property – Characteristics of matter that distinguish one type of matter from another and can be observed without changing the Identity of the matter. Texture is one of the physical properties.

20 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 421of Excellent Job!!!!!!!! A. Size B. Shape C. texture X D. flammability Chemical property – Anything that could happen to a specific substance that would change it into new substances. Go on to question 5. When describing an object which of the following is a chemical property?

21 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 521of What will happen when a glowing splint is placed into a test tube of hydrogen? A. It will burst into a flame. B. It will make a popping sound. C. It will sop glowing. D. Nothing will happen.

22 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 521of You’ll have to try again. Hydrogen is highly reactive to the point of explosion in the presence of something that is burning or smoldering. Remember the Hindenburg blimp. What will happen when a glowing splint is placed into a test tube of hydrogen? X A. It will burst into a flame. B. It will make a popping sound. C. It will sop glowing. D. Nothing will happen.

23 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 521of You got that one right. Hydrogen is highly reactive to the point of explosion in the presence of something that is burning or smoldering. Remember the Hindenburg blimp. Go on to question 6. What will happen when a glowing splint is placed into a test tube of hydrogen? A. It will burst into a flame. X B. It will make a popping sound. C. It will sop glowing. D. Nothing will happen.

24 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 521of You’ll have to try again. Hydrogen is highly reactive to the point of explosion in the presence of something that is burning or smoldering. Remember the Hindenburg blimp. What will happen when a glowing splint is placed into a test tube of hydrogen? A. It will burst into a flame. B. It will make a popping sound. X C. It will sop glowing. D. Nothing will happen.

25 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 521of You’ll have to try again. Hydrogen is highly reactive to the point of explosion in the presence of something that is burning or smoldering. Remember the Hindenburg blimp. What will happen when a glowing splint is placed into a test tube of hydrogen? A. It will burst into a flame. B. It will make a popping sound. C. It will sop glowing. X D. Nothing will happen.

26 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 621of What will happen when a glowing splint is placed into a test tube of carbon dioxide? A. It will burst into a flame. B. It will make a popping sound. C. It will sop glowing. D. Nothing will happen.

27 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 621of What will happen when a glowing splint is placed into a test tube of carbon dioxide? X A. It will burst into a flame. B. It will make a popping sound. C. It will sop glowing. D. Nothing will happen. You’ll have to try again. Carbon dioxide is used to put out fires. It is not flammable.

28 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 621of What will happen when a glowing splint is placed into a test tube of carbon dioxide? A. It will burst into a flame. X B. It will make a popping sound. C. It will sop glowing. D. Nothing will happen. You’ll have to try again. Carbon dioxide is used to put out fires. It is not flammable or explosive.

29 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 621of What will happen when a glowing splint is placed into a test tube of carbon dioxide? A. It will burst into a flame. B. It will make a popping sound. X C. It will sop glowing. D. Nothing will happen. Very Good!!!!!! Carbon dioxide is used to put out fires. It is not flammable. Go on to question 7.

30 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 621of What will happen when a glowing splint is placed into a test tube of carbon dioxide? A. It will burst into a flame. B. It will make a popping sound. C. It will sop glowing. X D. Nothing will happen. Very Good!!!!!! Carbon dioxide is used to put out fires. It is not flammable.

31 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 721of What will happen when a glowing splint is placed into a test tube of oxygen? A. It will burst into a flame. B. It will make a popping sound. C. It will sop glowing. D. Nothing will happen.

32 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 721of What will happen when a glowing splint is placed into a test tube of oxygen? X A. It will burst into a flame. B. It will make a popping sound. C. It will sop glowing. D. Nothing will happen. That is correct, Good Job! Three things are needed for fire to burn; fuel, oxygen, and a heat source. Go on to question 8.

33 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 721of What will happen when a glowing splint is placed into a test tube of oxygen? A. It will burst into a flame. X B. It will make a popping sound. C. It will sop glowing. D. Nothing will happen. You’ll have to try again. Three things are needed for fire to burn; fuel, oxygen, and a heat source.

34 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 721of What will happen when a glowing splint is placed into a test tube of oxygen? A. It will burst into a flame. B. It will make a popping sound. X C. It will sop glowing. D. Nothing will happen. You’ll have to try again. Three things are needed for fire to burn; fuel, oxygen, and a heat source.

35 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 721of What will happen when a glowing splint is placed into a test tube of oxygen? A. It will burst into a flame. B. It will make a popping sound. C. It will sop glowing. X D. Nothing will happen. You’ll have to try again. Three things are needed for fire to burn; fuel, oxygen, and a heat source.

36 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 821of What gas is given off by the reaction when vinegar and baking soda are mixed together? A. oxygen B. Carbon dioxide C. hydrogen D. chlorine

37 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 821of You’ll have to try again. What gas is given off by the reaction when vinegar and baking soda are mixed together? X A. oxygen B. Carbon dioxide C. hydrogen D. chlorine Vinegar is an acid ( 7 ph). They will react chemically until the acid base relationship is neutralized (7 ph). The gas that is given off is non-flammable and non-corrosive.

38 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 821of That is correct, Good Job! Go on to question 9. What gas is given off by the reaction when vinegar and baking soda are mixed together? A. oxygen X B. Carbon dioxide C. hydrogen D. chlorine Vinegar is an acid ( 7 ph). They will react chemically until the acid base relationship is neutralized (7 ph). The gas that is given off is non-flammable and non-corrosive.

39 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 821of You’ll have to try again. What gas is given off by the reaction when vinegar and baking soda are mixed together? A. oxygen B. Carbon dioxide X C. hydrogen D. chlorine Vinegar is an acid ( 7 ph). They will react chemically until the acid base relationship is neutralized (7 ph). The gas that is given off is non-flammable and non-corrosive.

40 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 721of You’ll have to try again. What gas is given off by the reaction when vinegar and baking soda are mixed together? A. oxygen B. Carbon dioxide C. hydrogen X D. chlorine Vinegar is an acid ( 7 ph). They will react chemically until the acid base relationship is neutralized (7 ph). The gas that is given off is non-flammable and non-corrosive.

41 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 921of When scientist use the scientific method to discover new things, their primary purpose is to: A. Discover something that will make them rich. B. Discover the variables the control an occurrence in nature. C. Determine the cost of using the new information to make something useful. D. Find something that is important to their government.

42 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 921of When scientist use the scientific method to discover new things, their primary purpose is to: X A. Discover something that will make them rich. B. Discover the variables the control an occurrence in nature. C. Determine the cost of using the new information to make something useful. D. Find something that is important to their government. You’ll have to try again. Most good scientists do earn a lot of money. Their motivation usually is not the money though.

43 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 921of When scientist use the scientific method to discover new things, their primary purpose is to: A. Discover something that will make them rich. X B. Discover the variables the control an occurrence in nature. C. Determine the cost of using the new information to make something useful. D. Find something that is important to their government. You got that one right. Scientist are usually motivated simply by being the one to learn something new. Go on to guest ion 10.

44 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 921of When scientist use the scientific method to discover new things, their primary purpose is to: A. Discover something that will make them rich. B. Discover the variables the control an occurrence in nature. X C. Determine the cost of using the new information to make something useful. D. Find something that is important to their government. You’ll have to try again. This is the job of a technologist not what motivates scientist.

45 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 921of When scientist use the scientific method to discover new things, their primary purpose is to: A. Discover something that will make them rich. B. Discover the variables the control an occurrence in nature. C. Determine the cost of using the new information to make something useful. X D. Find something that is important to their government. You’ll have to try again. Scientists do sometimes work for their government. Usually this is only so they can get the funding they need to do the necessary research.

46 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1021of Plants use chemical changes in their life cycle. Which of the following is not a chemical change used by plants? A. cellular respiration B. photosynthesis C. water absorption D. sugar production

47 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1021of Plants use chemical changes in their life cycle. Which of the following is not a chemical change used by plants? X A. cellular respiration B. photosynthesis C. water absorption D. sugar production You’ll have to try again. Cellular respiration is one of the chemical changes that takes place in a plant. Chemical change requires that new substances are made. C 6 H 12 O O 2 6 CO H 2 O sugar

48 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1021of Plants use chemical changes in their life cycle. Which of the following is not a chemical change used by plants? A. cellular respiration X B. photosynthesis C. water absorption D. sugar production You’ll have to try again. Photosynthesis is one of the chemical changes that takes place in a plant. Chemical change requires that new substances are made. 6 CO H 2 O C 6 H 12 O O 2 Sun light

49 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1021of Plants use chemical changes in their life cycle. Which of the following is not a chemical change used by plants? A. cellular respiration B. photosynthesis X C. water absorption D. sugar production Excellent Job!!!!!!!! Water absorption is not one of the chemical changes that takes place in a plant. Chemical change requires that new substances are made. Water is the same before it is absorbed into the roots as it is after it has been absorbed into the roots. No chemical change has occurred.

50 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1021of Plants use chemical changes in their life cycle. Which of the following is not a chemical change used by plants? A. cellular respiration B. photosynthesis C. water absorption X D. sugar production You’ll have to try again. Sugar production is one of the chemical changes that takes place in a plant. Chemical change requires that new substances are made. 6 CO H 2 O C 6 H 12 O O 2 Sun light sugar

51 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1121of Landfills have big problems with synthetic products because they: A. decompose to quickly B. decompose very slowly C. explode after being buried

52 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1121of Landfills have big problems with synthetic products because they: X A. decompose to quickly B. decompose very slowly C. explode after being buried Sorry, you’ll need to try again. Diapers decompose at an extremely slow rate. Paper, food, garden waste products etc. decompose very rapidly.

53 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1121of Landfills have big problems with synthetic products because they: A. decompose to quickly X B. decompose very slowly C. explode after being buried How did you know that one? You must be smart. Synthetic (man made) materials such as plastics decompose very slowly. Go on to problem 12.

54 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1121of Landfills have big problems with synthetic products because they: A. decompose to quickly B. decompose very slowly X C. explode after being buried Sorry, you’ll need to try again. Diapers decompose at an extremely slow rate. Paper, food, garden waste products etc. decompose very rapidly. Very few if any, synthetic materials will explode when buried.

55 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1221of When water boils the bubbles coming to the surface are made of: A. carbon dioxide B. Oxygen C. hydrogen D. water vapor

56 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1221of When water boils the bubbles coming to the surface are made of: X A. carbon dioxide B. Oxygen C. hydrogen D. water vapor Sorry, you’ll need to try again. New substances are not being made. The formula for water is H 2 O. The physical change that has occurred is called a phase change. Clues

57 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1221of When water boils the bubbles coming to the surface are made of: A. carbon dioxide X B. Oxygen C. hydrogen D. water vapor Sorry, you’ll need to try again. New substances are not being made. The formula for water is H 2 O. The physical change that has occurred is called a phase change. Clues

58 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1221of When water boils the bubbles coming to the surface are made of: A. carbon dioxide B. Oxygen X C. hydrogen D. water vapor Sorry, you’ll need to try again. New substances are not being made. The formula for water is H 2 O. The physical change that has occurred is called a phase change. Clues

59 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1221of When water boils the bubbles coming to the surface are made of: A. carbon dioxide B. Oxygen C. hydrogen X D. water vapor Great Job!!!! Keep up the good work. New substances are not being made. The formula for water is H 2 O. The physical change that has occurred is called a phase change. Go on to question 13.

60 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1321of Water boils at 100 degrees Celsius at sea level. It takes longer to boil an egg at higher altitudes, Why? A. Water boils at lower temperatures at higher altitudes. B. Water boils at higher temperatures at higher altitudes. C. The density of the egg is greater at high altitudes. D. Celsius degrees are not the same size unit at higher altitudes.

61 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1321of Water boils at 100 degrees Celsius at sea level. It takes longer to boil an egg at higher altitudes, Why? X A. Water boils at lower temperatures at higher altitudes. B. Water boils at higher temperatures at higher altitudes. C. The density of the egg is greater at high altitudes. D. Celsius degrees are not the same size unit at higher altitudes. Very Good !!! Go on to the next question.

62 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1321of Water boils at 100 degrees Celsius at sea level. It takes longer to boil an egg at higher altitudes, Why? A. Water boils at lower temperatures at higher altitudes. X B. Water boils at higher temperatures at higher altitudes. C. The density of the egg is greater at high altitudes. D. Celsius degrees are not the same size unit at higher altitudes. Sorry, you’ll need to try again. As altitude increases atmospheric pressure decreases. The less pressure pushing down on a collection of water, the easier it is for it to boil. Clues

63 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1321of Water boils at 100 degrees Celsius at sea level. It takes longer to boil an egg at higher altitudes, Why? A. Water boils at lower temperatures at higher altitudes. B. Water boils at higher temperatures at higher altitudes. X C. The density of the egg is greater at high altitudes. D. Celsius degrees are not the same size unit at higher altitudes. Sorry, you’ll need to try again. As altitude increases atmospheric pressure decreases. The less pressure pushing down on a collection of water, the easier it is for it to boil. Clues

64 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1321of Water boils at 100 degrees Celsius at sea level. It takes longer to boil an egg at higher altitudes, Why? A. Water boils at lower temperatures at higher altitudes. B. Water boils at higher temperatures at higher altitudes. C. The density of the egg is greater at high altitudes. X D. Celsius degrees are not the same size unit at higher altitudes. Sorry, you’ll need to try again. As altitude increases atmospheric pressure decreases. The less pressure pushing down on a collection of water, the easier it is for it to boil. Clues

65 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1321of During phase change of water, ice to liquid, what happens to the temperature of the water. A. It will increase until all of the ice has change to liquid. B. It will stay the same. C. It will decrease until all of the ice has change to liquid.

66 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1321of During phase change of water, ice to liquid, what happens to the temperature of the water. A. It will increase until all of the ice has change to liquid. B. It will stay the same. C. It will decrease until all of the ice has change to liquid. Sorry, you’ll need to try again. New substances are not being made. The formula for water is H 2 O. The physical change that has occurred is called a phase change. Clues

67 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1321of During phase change of water, ice to liquid, what happens to the temperature of the water. A. It will increase until all of the ice has change to liquid. B. It will stay the same. C. It will decrease until all of the ice has change to liquid. Sorry, you’ll need to try again. New substances are not being made. The formula for water is H 2 O. The physical change that has occurred is called a phase change. Clues

68 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1321of During phase change of water, ice to liquid, what happens to the temperature of the water. A. It will increase until all of the ice has change to liquid. B. It will stay the same. C. It will decrease until all of the ice has change to liquid. Sorry, you’ll need to try again. New substances are not being made. The formula for water is H 2 O. The physical change that has occurred is called a phase change. Clues

69 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1321of During phase change of water, ice to liquid, what happens to the temperature of the water. A. It will increase until all of the ice has change to liquid. B. It will stay the same. C. It will decrease until all of the ice has change to liquid. Sorry, you’ll need to try again. New substances are not being made. The formula for water is H 2 O. The physical change that has occurred is called a phase change. Clues

70 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1421of Which of the following will not cause a change in the temperature at which water boils? A. increase or decrease of latitude B. increase or decrease of atmospheric pressure C. increase or decrease of altitude

71 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1421of Which of the following will not cause a change in the temperature at which water boils? X A. increase or decrease of latitude B. increase or decrease of atmospheric pressure C. increase or decrease of altitude Sorry, you’ll need to try again. There are only two things that can cause the temperature at which water boils to change. One of them is increasing or decreasing the altitude ate which you are attempting to boil the water. The other one can be directly related to changes in altitude. Clues

72 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1421of Which of the following will not cause a change in the temperature at which water boils? A. increase or decrease of latitude X B. increase or decrease of atmospheric pressure C. increase or decrease of altitude Great Job !!!!!!! If the pressure of the air pushing down on the surface of the liquid changes the temperature at which it will boil will change.

73 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1421of Which of the following will not cause a change in the temperature at which water boils? X A. increase or decrease of latitude B. increase or decrease of atmospheric pressure C. increase or decrease of longitude Sorry, you’ll need to try again. There are only two things that can cause the temperature at which water boils to change. One of them is increasing or decreasing the altitude ate which you are attempting to boil the water. The other one can be directly related to changes in altitude. Clues

74 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1521of What will improve the validity of the data in an experiment? A. the organization of data on a chart B. conducting multiple trials C. Drawing conclusions based on the data and your personal opinion.

75 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1521of What will improve the validity of the data in an experiment? X Sorry, you’ll need to try again. Which would you expect to be more accurate? John formed his conclusion after 10 trials of his experiment. Mary formed her conclusion after 3 trials of her experiment. Clues A. the organization of data on a chart B. conducting multiple trials C. Drawing conclusions based on the data and your personal opinion.

76 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1521of What will improve the validity of the data in an experiment? X Very good job !!!! The more times an experiment is completed with success the more valid the conclusions will become. A. the organization of data on a chart B. conducting multiple trials C. Drawing conclusions based on the data and your personal opinion.

77 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1521of What will improve the validity of the data in an experiment? X Sorry, you’ll need to try again. Which would you expect to be more accurate? John formed his conclusion after 10 trials of his experiment. Mary formed her conclusion after 3 trials of her experiment. Clue A. the organization of data on a chart B. conducting multiple trials C. Drawing conclusions based on the data and your personal opinion.

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79 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1621of Look at the chart on the previous page and answer the following question. What is happening from minute 2 – minute 4? A. The temperature stays the same during phase change from ice to water. B. The temperature is rising between phase changes. C. The temperature stays the same during phase change from water to water vapor. D. The thermometer is probably broken.

80 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1621of What is happening from minute 2 – minute 4? X A. The temperature stays the same during phase change from ice to water. B. The temperature is rising between phase changes. C. The temperature stays the same during phase change from water to water vapor. D. The thermometer is probably broken. Excellent !!!! The temperature does not change while phase change from solid to liquid and from liquid to gas is occurring.

81 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1621of What is happening from minute 2 – minute 4? A. The temperature stays the same during phase change from ice to water. X B. The temperature is rising between phase changes. C. The temperature stays the same during phase change from water to water vapor. D. The thermometer is probably broken. Sorry, you’ll need to try again. Go back to the question and click on information so you can study the graph. Clue

82 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1621of What is happening from minute 2 – minute 4? A. The temperature stays the same during phase change from ice to water. B. The temperature is rising between phase changes. X C. The temperature stays the same during phase change from water to water vapor. D. The thermometer is probably broken. Sorry, you’ll need to try again. Clue Go back to the question and click on information so you can study the graph.

83 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1621of What is happening from minute 2 – minute 4? A. The temperature stays the same during phase change from ice to water. B. The temperature is rising between phase changes. C. The temperature stays the same during phase change from water to water vapor. X D. The thermometer is probably broken. Sorry, you’ll need to try again. Go back to the question and click on information so you can study the graph. Clue

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85 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1721of All of the ice is turned to water by the end of minute: A. 2 B. 3 C. 4 D. 5 E. 20 Look at the chart on the previous page and answer the following question.

86 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1721of All of the ice is turned to water by the end of minute: X A. 2 B. 3 C. 4 D. 5 E. 20 Sorry, you’ll need to try again. Go back to the question and click on information so you can study the graph. Clue

87 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1721of All of the ice is turned to water by the end of minute: A. 2 X B. 3 C. 4 D. 5 E. 20 Sorry, you’ll need to try again. Go back to the question and click on information so you can study the graph. Clue

88 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1721of All of the ice is turned to water by the end of minute: A. 2 B. 3 X C. 4 D. 5 E. 20 Really good job !!!!! Move on to the next question.

89 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1721of All of the ice is turned to water by the end of minute: A. 2 B. 3 C. 4 X D. 5 E. 20 Sorry, you’ll need to try again. Go back to the question and click on information so you can study the graph. Clue

90 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1721of All of the ice is turned to water by the end of minute: A. 2 B. 3 C. 4 X D. 5 E. 20 Sorry, you’ll need to try again. Go back to the question and click on information so you can study the graph. Clue

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92 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1821of From the end of minute 4 to the beginning of minute 18 all of the water was in ______ phase. A. Solid B. Liquid C. Gas D. Plasma Look at the chart on the previous page and answer the following question.

93 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1821of From the end of minute 4 to the beginning of minute 18 all of the water was in ______ phase. X A. Solid B. Liquid C. Gas D. Plasma Sorry, you’ll need to try again. Go back to the question and click on information so you can study the graph. Clue

94 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1821of From the end of minute 4 to the beginning of minute 18 all of the water was in ______ phase. A. Solid X B. Liquid C. Gas D. Plasma You are to smart. Move on to the next question

95 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1821of From the end of minute 4 to the beginning of minute 18 all of the water was in ______ phase. A. Solid B. Liquid X C. Gas D. Plasma Sorry, you’ll need to try again. Go back to the question and click on information so you can study the graph. Clue

96 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1821of From the end of minute 4 to the beginning of minute 18 all of the water was in ______ phase. A. Solid B. Liquid C. Gas X D. Plasma Sorry, you’ll need to try again. Go back to the question and click on information so you can study the graph. Clue

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98 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1921of A. decreases B. increases C. Stays the same. D. It is impossible to tell. Look at the chart on the previous page and answer the following question. Between phase changes (Ice to water vapor) the heat energy in the water.

99 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1921of X A. decreases B. increases C. Stays the same. D. It is impossible to tell. Look at the chart on the previous page and answer the following question. Between phase changes (Ice to water vapor) the heat energy in the water. Sorry, you’ll need to try again. Go back to the question and click on information so you can study the graph. Clue

100 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1921of A. decreases X B. increases C. Stays the same. D. It is impossible to tell. Look at the chart on the previous page and answer the following question. Between phase changes (Ice to water vapor) the heat energy in the water. I don’t know how you do it. Go on to the next question.

101 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1921of A. decreases B. increases X C. Stays the same. D. It is impossible to tell. Look at the chart on the previous page and answer the following question. Between phase changes (Ice to water vapor) the heat energy in the water. Sorry, you’ll need to try again. Go back to the question and click on information so you can study the graph. Clue

102 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 1921of A. decreases B. increases C. Stays the same. X D. It is impossible to tell. Look at the chart on the previous page and answer the following question. Between phase changes (Ice to water vapor) the heat energy in the water. Sorry, you’ll need to try again. Go back to the question and click on information so you can study the graph. Clue

103 Analyze the following chart to answer the next few questions. Dissolution Rate of 1 Cubic Centimeter of Sugar in 150 ml of water FlaskProcedure Complete Dissolution Time, (Seconds) Trial 1Trial 2Trial 3Average 1Sugar in water undisturbed Sugar ground and placed in undisturbed water Sugar ground, placed in water and swirled Sugar ground, placed in water, swirled, and heated

104 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 2021of A. Flask 1 B. Flask 2 C. Flask 3 D. Flask4 Look at the chart on the previous page and answer the following question. What was the most effect procedure for dissolving the sugar?

105 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 2021of X A. Flask 1 B. Flask 2 C. Flask 3 D. Flask4 What was the most effect procedure for dissolving the sugar? Sorry, you’ll need to try again. Go back to the question and click on information so you can study the graph. Look at the column labeled “Average” Clue

106 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 2021of A. Flask 1 X B. Flask 2 C. Flask 3 D. Flask4 What was the most effect procedure for dissolving the sugar? Sorry, you’ll need to try again. Go back to the question and click on information so you can study the graph. Look at the column labeled “Average” Clue

107 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 2021of A. Flask 1 B. Flask 2 X C. Flask 3 D. Flask4 What was the most effect procedure for dissolving the sugar? Sorry, you’ll need to try again. Go back to the question and click on information so you can study the graph. Look at the column labeled “Average” Clue

108 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 2021of A. Flask 1 B. Flask 2 C. Flask 3 X D. Flask4 What was the most effect procedure for dissolving the sugar? I’m glad you understand how to use a table to find correct answers. Keep up the good work, go on to the next question.

109 Analyze the following chart to answer the next few questions. Dissolution Rate of 1 Cubic Centimeter of Sugar in 150 ml of water FlaskProcedure Complete Dissolution Time, (Seconds) Trial 1Trial 2Trial 3Average 1Sugar in water undisturbed Sugar ground and placed in undisturbed water Sugar ground, placed in water and swirled Sugar ground, placed in water, swirled, and heated

110 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 21 of A. Putting the sugar cube in the water B. Grinding the sugar cube and putting it in the water C. Swirling the sugar in the water D. Heating the sugar in the water Look at the chart on the previous page and answer the following question. Which action had the most effect on the dissolution rate of the sugar?

111 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 21 of X A. Putting the sugar cube in the water B. Grinding the sugar cube and putting it in the water C. Swirling the sugar in the water D. Heating the sugar in the water Which action had the most effect on the dissolution rate of the sugar? Sorry, you’ll need to try again. Go back to the question and click on information so you can study the graph. Look at the column labeled “Average” Clue

112 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 21 of A. Putting the sugar cube in the water X B. Grinding the sugar cube and putting it in the water C. Swirling the sugar in the water D. Heating the sugar in the water Which action had the least effect on the dissolution rate of the sugar? Sorry, you’ll need to try again. Go back to the question and click on information so you can study the graph. Look at the column labeled “Average” Clue

113 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 21 of A. Putting the sugar cube in the water B. Grinding the sugar cube and putting it in the water X C. Swirling the sugar in the water D. Heating the sugar in the water Which action had the most effect on the dissolution rate of the sugar? Great job !!!!!!! Go on to the next question.

114 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 21 of A. Putting the sugar cube in the water B. Grinding the sugar cube and putting it in the water C. Swirling the sugar in the water X D. Heating the sugar in the water Which action had the most effect on the dissolution rate of the sugar? Sorry, you’ll need to try again. Go back to the question and click on information so you can study the graph. Look at the column labeled “Average” Clue

115 Analyze the following chart to answer the next few questions. Dissolution Rate of 1 Cubic Centimeter of Sugar in 150 ml of water FlaskProcedure Complete Dissolution Time, (Seconds) Trial 1Trial 2Trial 3Average 1Sugar in water undisturbed Sugar ground and placed in undisturbed water Sugar ground, placed in water and swirled Sugar ground, placed in water, swirled, and heated

116 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 2221of A. Putting the sugar cube in the water B. Grinding the sugar cube and putting it in the water C. Swirling the sugar in the water D. Heating the sugar in the water Look at the chart on the previous page and answer the following question. Which action had the least effect on the dissolution rate of the sugar?

117 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 2221of X A. Putting the sugar cube in the water B. Grinding the sugar cube and putting it in the water C. Swirling the sugar in the water D. Heating the sugar in the water Which action had the least effect on the dissolution rate of the sugar? Keep up your good work !!!!!! Go on to the next question.

118 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 2221of A. Putting the sugar cube in the water X B. Grinding the sugar cube and putting it in the water C. Swirling the sugar in the water D. Heating the sugar in the water Which action had the least effect on the dissolution rate of the sugar? Sorry, you’ll need to try again. Go back to the question and click on information so you can study the chart. Look at the column labeled “Average” Clue

119 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 2221of A. Putting the sugar cube in the water B. Grinding the sugar cube and putting it in the water X C. Swirling the sugar in the water D. Heating the sugar in the water Which action had the least effect on the dissolution rate of the sugar? Sorry, you’ll need to try again. Go back to the question and click on information so you can study the chart. Look at the column labeled “Average” Clue

120 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 2221of A. Putting the sugar cube in the water B. Grinding the sugar cube and putting it in the water C. Swirling the sugar in the water X D. Heating the sugar in the water Which action had the least effect on the dissolution rate of the sugar? Sorry, you’ll need to try again. Go back to the question and click on information so you can study the chart. Look at the column labeled “Average” Clue

121 Analyze the following chart to answer the next few questions. Dissolution Rate of 1 Cubic Centimeter of Sugar in 150 ml of water FlaskProcedure Complete Dissolution Time, (Seconds) Trial 1Trial 2Trial 3Average 1Sugar in water undisturbed Sugar ground and placed in undisturbed water Sugar ground, placed in water and swirled Sugar ground, placed in water, swirled, and heated

122 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 2321of A. The organization of the chart B. The subject of the investigation C. Presenting the data on a chart D. Multiple trials for each flask Look at the chart on the previous page and answer the following question. What has the greatest effect on the validity of the data in the chart most?

123 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 2321of X A. The organization of the chart B. The subject of the investigation C. Presenting the data on a chart D. Multiple trials for each flask What has the greatest effect on the validity of the data in the chart most? Sorry, you’ll need to try again. Validity is increased as the amount of data supporting a conclusion increases. Clue

124 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 2321of A. The organization of the chart X B. The subject of the investigation C. Presenting the data on a chart D. Multiple trials for each flask What has the greatest effect on the validity of the data in the chart most? Sorry, you’ll need to try again. Validity is increased as the amount of data supporting a conclusion increases. Clue

125 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 2321of A. The organization of the chart B. The subject of the investigation X C. Presenting the data on a chart D. Multiple trials for each flask What has the greatest effect on the validity of the data in the chart most? Sorry, you’ll need to try again. Validity is increased as the amount of data supporting a conclusion increases. Clue

126 Standard 1 Objective 1: Describe the chemical and physical properties of various substances 2321of A. The organization of the chart B. The subject of the investigation C. Presenting the data on a chart X D. Multiple trials for each flask What has the greatest effect on the validity of the data in the chart most? You got that right, good job. Go on to the next question.

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