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Physical Boot Camp 5.5C Demonstrate that some mixtures maintain physical properties of their ingredients such as iron filings and sand.

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Presentation on theme: "Physical Boot Camp 5.5C Demonstrate that some mixtures maintain physical properties of their ingredients such as iron filings and sand."— Presentation transcript:

1 Physical Boot Camp 5.5C Demonstrate that some mixtures maintain physical properties of their ingredients such as iron filings and sand.

2 STAAR 2013 #21; RC1; Supporting 1. A mixture of beads was placed in a container, as shown below. The beads are of various sizes and each one is made of plastic, glass, or steel. The mixture would be easily to separate because all the beads— A. are less dense than water B. are solids C. have the same mass D. are attracted to a magnet

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4 TAKS Study Guide, #21 2. A student stirs together a mixture of hot water and small amounts of salt, sand, and sugar. The student then pours the mixture through a paper towel. Which substance or substances will collect on the paper towel? A Only the sugar B Only the sand C Both the salt and the sugar D Both the salt and the sand

5 TAKS Study Guide, #21 2. A student stirs together a mixture of hot water and small amounts of salt, sand, and sugar. The student then pours the mixture through a paper towel. Which substance or substances will collect on the paper towel? A Only the sugar B Only the sand C Both the salt and the sugar D Both the salt and the sand

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8 2004—#22 (78%) 4. Carbon powder and iron filings are both black powders. When mixed together, they look like one black powder. Which of these would be best to use to separate the iron filings from the carbon powder? F A magnifying glass G Heat H A magnet J Water

9 2004—#22 (78%) 4. Carbon powder and iron filings are both black powders. When mixed together, they look like one black powder. Which of these would be best to use to separate the iron filings from the carbon powder? F A magnifying glass G Heat H A magnet J Water

10 2006—#7 (89%) 5. A company collects cans for recycling. Some cans are made of aluminum, and some are made of iron. Which of the following is the best way to separate the two types of cans? A Heat the iron cans until they melt B Use scissors to cut the cans C Use a magnet to pick up the iron cans D Float the cans in water

11 2006—#7 (89%) 5. A company collects cans for recycling. Some cans are made of aluminum, and some are made of iron. Which of the following is the best way to separate the two types of cans? A Heat the iron cans until they melt B Use scissors to cut the cans C Use a magnet to pick up the iron cans D Float the cans in water

12 2008—#3 6. A student mixes three spoonfuls of sand with one cup of war water in an open container. The student puts the container of sand and water near a window for four days. How many spoonfuls of sand will be in the container when all of the water has evaporated? A1 B 2 C 3 D 4

13 2008—#3 6. A student mixes three spoonfuls of sand with one cup of war water in an open container. The student puts the container of sand and water near a window for four days. How many spoonfuls of sand will be in the container when all of the water has evaporated? A1 B 2 C 3 D 4

14 2009—#38 (94%) 7. Which of these mixtures would be easiest to separate? FFruit salad G Powdered lemonade H Hot chocolate J Instant pudding

15 2009—#38 (94%) 7. Which of these mixtures would be easiest to separate? FFruit salad G Powdered lemonade H Hot chocolate J Instant pudding

16 2011—STAAR™ Released Test Questions, #3 8. A small bowl contains a mixture of toothpicks and glass marbles. The easiest way to separate the mixture without touching it would be to— Fadd glue to the mixture G place a magnet in the bowl H pour the mixture into a paper cone J add water to the bowl

17 2011—STAAR™ Released Test Questions, #3 8. A small bowl contains a mixture of toothpicks and glass marbles. The easiest way to separate the mixture without touching it would be to— Fadd glue to the mixture G place a magnet in the bowl H pour the mixture into a paper cone J add water to the bowl

18 9. Which of these mixtures can be separated by using a magnet? AA mixture of sand and sugar BA mixture of sand and iron pieces CA compound of hydrogen and oxygen DA compound of sugar and water

19 9. Which of these mixtures can be separated by using a magnet? AA mixture of sand and sugar BA mixture of sand and iron pieces CA compound of hydrogen and oxygen DA compound of sugar and water

20 10. Some students made trail mix by putting peanuts, chocolate chips, and raisins in a bowl. Why did the trail mix taste both sweet and salty? AThe peanuts and the raisins were both crunchy and soft. BThe peanuts stayed salty while the raisins and chocolate chips stayed sweet. CThe peanuts remained sweet while the raisins stayed crunchy. DThe chocolate chips, and the raisins were very salty.

21 10. Some students made trail mix by putting peanuts, chocolate chips, and raisins in a bowl. Why did the trail mix taste both sweet and salty? AThe peanuts and the raisins were both crunchy and soft. BThe peanuts stayed salty while the raisins and chocolate chips stayed sweet. CThe peanuts remained sweet while the raisins stayed crunchy. DThe chocolate chips, and the raisins were very salty.

22 11. A fifth grade student added some salt, sugar, sand, and rocks to a jar of water and then shook it up to mix everything together. Which substances kept their own physical properties when mixed with the water? ASand and sugar BRocks and salt CSugar and salt DSand and rocks

23 11. A fifth grade student added some salt, sugar, sand, and rocks to a jar of water and then shook it up to mix everything together. Which substances kept their own physical properties when mixed with the water? ASand and sugar BRocks and salt CSugar and salt DSand and rocks

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26 13. What physical property of milk remains the same when it is mixed with chocolate syrup? AColor BTaste CState DAroma

27 13. What physical property of milk remains the same when it is mixed with chocolate syrup? AColor BTaste CState (still a liquid) DAroma

28 14. Which of the following solutions is composed completely of gases? AMilk BSprite® CAir DSalad

29 14. Which of the following solutions is composed completely of gases? AMilk BSprite® CAir DSalad

30 15. The ingredients or parts in a mixture— Ajoin together to form new matter Bcan never be separated Ccan be physically separated Dbecome chemically joined

31 15. The ingredients or parts in a mixture— Ajoin together to form new matter Bcan never be separated Ccan be physically separated Dbecome chemically joined

32 16. You are given a beaker containing a mixture of salt and water. How could you separate this mixture? ALet the salt settle out of the water and pour off the pure water. BEvaporate the water and collect the salt left behind. CPut the mixture under a microscope to separate the salt and water. DUse an electromagnet to separate the salt from the water.

33 16. You are given a beaker containing a mixture of salt and water. How could you separate this mixture? ALet the salt settle out of the water and pour off the pure water. BEvaporate the water and collect the salt left behind. CPut the mixture under a microscope to separate the salt and water. DUse an electromagnet to separate the salt from the water.

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36 18. Which physical property of salt does not change when it is mixed with water? ATexture BSize CTaste DShape

37 18. Which physical property of salt does not change when it is mixed with water? ATexture BSize CTaste DShape

38 19. How could you separate a mixture of sand and iron filings most easily? A Stir the mixture into a glass of water and let the water evaporate. B Place the mixture in a glass beaker and heat it for 20 minutes. C Place the mixture on a piece of paper and move a magnet through it. D Use a pair of pointed tweezers to pick out all of the iron filings.

39 19. How could you separate a mixture of sand and iron filings most easily? A Stir the mixture into a glass of water and let the water evaporate. B Place the mixture in a glass beaker and heat it for 20 minutes. C Place the mixture on a piece of paper and move a magnet through it. D Use a pair of pointed tweezers to pick out all of the iron filings.

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42 21. In the mixtures below, all of the ingredients keep their same physical properties when mixed EXCEPT— A a tossed salad Bgravel and sand Cdried cereal and milk Dspaghetti and meatballs

43 21. In the mixtures below, all of the ingredients keep their same physical properties when mixed EXCEPT— A a tossed salad Bgravel and sand Cdried cereal and milk Dspaghetti and meatballs

44 22. Salt water is a mixture where the particles of salt dissolve in and spread evenly throughout the water. How could salt be separated from the water? A Boil the mixture until the water evaporates. BFreeze the mixture until the salt sinks to the bottom. CPour the mixture through several layers of coffee filters. DRun a magnet through the mixture to remove the salt particles.

45 22. Salt water is a mixture where the particles of salt dissolve in and spread evenly throughout the water. How could salt be separated from the water? A Boil the mixture until the water evaporates. BFreeze the mixture until the salt sinks to the bottom. CPour the mixture through several layers of coffee filters. DRun a magnet through the mixture to remove the salt particles.

46 23. In a container, a mixture of water and salt is stirred so that the salt dissolves completely. Sand is added to this solution and allowed to settle to the bottom of the container. If the container is placed on a heat source and the liquid evaporates completely, what will be left in the container? A Nothing will remain in the container. B Only salt will remain in the container. C Only sand will remain in the container. D Salt and sand will both remain in the container.

47 23. In a container, a mixture of water and salt is stirred so that the salt dissolves completely. Sand is added to this solution and allowed to settle to the bottom of the container. If the container is placed on a heat source and the liquid evaporates completely, what will be left in the container? A Nothing will remain in the container. B Only salt will remain in the container. C Only sand will remain in the container. D Salt and sand will both remain in the container.

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50 25. A student has a mixture of soil and water in a jar. Which of the following tools would best help the student separate the soil from the water? A A filter B A measuring cup C A triple beam balance D A hand lens

51 25. A student has a mixture of soil and water in a jar. Which of the following tools would best help the student separate the soil from the water? A A filter B A measuring cup C A triple beam balance D A hand lens

52 26. A student has been given samples of five different substances: salt, sugar, gravel, wood chips, and iron filings. Which two substances, if mixed together in a glass of water, will the student be unable to separate easily from each other once the water has been evaporated? A Salt and sugar B Sugar and gravel C Gravel and iron filings D Iron filings and wood chips

53 26. A student has been given samples of five different substances: salt, sugar, gravel, wood chips, and iron filings. Which two substances, if mixed together in a glass of water, will the student be unable to separate easily from each other once the water has been evaporated? A Salt and sugar B Sugar and gravel C Gravel and iron filings D Iron filings and wood chips

54 27. Steel cans are separated from aluminum cans in a recycling center. Which of the following is the BEST way the recycling center can separate the steel cans from the aluminum cans? A Sort the cans by size B Put the cans in water C Cool the cans to a low temperature D Put the cans under an electromagnet

55 27. Steel cans are separated from aluminum cans in a recycling center. Which of the following is the BEST way the recycling center can separate the steel cans from the aluminum cans? A Sort the cans by size B Put the cans in water C Cool the cans to a low temperature D Put the cans under an electromagnet

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58 29. Which of these is a mixture? A Salt B Water C Lemonade D Sugar

59 29. Which of these is a mixture? A Salt B Water C Lemonade D Sugar

60 30. A student put some salt, sugar, and rocks in a cup of warm water and then shook the cup. If the mixture in the cup was poured through a filter, what would remain on the filter? AThe sugar BThe sugar and the salt CThe water DThe rocks and some water

61 30. A student put some salt, sugar, and rocks in a cup of warm water and then shook the cup. If the mixture in the cup was poured through a filter, what would remain on the filter? AThe sugar BThe sugar and the salt CThe water DThe rocks and some water

62 31. Which physical property could be used to separate some corks from some rocks? AThe corks float in water. BThe corks are magnetic. CThe corks dissolve in water. DThe rocks dissolve in water.

63 31. Which physical property could be used to separate some corks from some rocks? AThe corks float in water. BThe corks are magnetic. CThe corks dissolve in water. DThe rocks dissolve in water.

64 32. Which of the following is an example of a mixture? AWater BSugar CSalad DSalt

65 32. Which of the following is an example of a mixture? AWater BSugar CSalad DSalt

66 33. Which of the following mixtures cannot be separated easily by hand? AScrews and nails BApples and oranges CNickels and dimes DSalt and pepper

67 33. Which of the following mixtures cannot be separated easily by hand? AScrews and nails BApples and oranges CNickels and dimes DSalt and pepper

68 34. A mixture of pebbles and paper clips can be easily separated. Which physical property of the ingredients makes it easy to separate the mixture? AMagnetism BColor CThe ability to dissolve DThe ability to float

69 34. A mixture of pebbles and paper clips can be easily separated. Which physical property of the ingredients makes it easy to separate the mixture? AMagnetism BColor CThe ability to dissolve DThe ability to float

70 35. All of the following are physical properties of matter EXCEPT— Amagnetism Bits location in the room Cability to conduct electricity Dability to insulate heat

71 35. All of the following are physical properties of matter EXCEPT— Amagnetism Bits location in the room Cability to conduct electricity Dability to insulate heat

72 36. A student wants to separate a mixture of wood chips and marbles. If he puts the mixture in a bucket of water, what physical property will cause the mixture to separate? AColor BDensity CConductivity DMass

73 36. A student wants to separate a mixture of wood chips and marbles. If he puts the mixture in a bucket of water, what physical property will cause the mixture to separate? AColor BDensity CConductivity DMass

74 37. Which substances, when mixed together, maintain their original physical properties? Agravel, sugar, water Bwood chips, water, sand Csand, sugar, water Dwater, pepper, sugar M.S. ?’s

75 37. Which substances, when mixed together, maintain their original physical properties? Agravel, sugar, water Bwood chips, water, sand Csand, sugar, water Dwater, pepper, sugar

76 38. A student was preparing an investigation on mixtures using water, sand, and gravel. While stirring the mixture into the container of water, the sand and water mixture accidentally splashed into the student’s eyes. What safety precaution should the student have followed? Awash hands before investigating Bwait for the other students before starting the investigation Cwear safety goggles Duse a spoon to stir the mixture

77 38. A student was preparing an investigation on mixtures using water, sand, and gravel. While stirring the mixture into the container of water, the sand and water mixture accidentally splashed into the student’s eyes. What safety precaution should the student have followed? Awash hands before investigating Bwait for the other students before starting the investigation Cwear safety goggles Duse a spoon to stir the mixture

78 39. A student stirred a mixture of sand, iron filings, and a water and observed that eventually the sand and iron fillings sank to the bottom of the container. How can the student separate the mixture? ASlowly pour the mixture in another container, making sure the sand does not flow out with the water. Pick the iron up with tweezers. BPour the mixture into a pot and heat one minute. Spoon the sand from the water. Use a magnet to pull out the iron. CPour the mixture through a coffee filter, leaving only the sand and iron in the filter. Separate the sand and iron with a magnet. DUse a spoon and scoop out as much sand as possible. Drag a magnet through the water to remove the iron.

79 39. A student stirred a mixture of sand, iron filings, and a water and observed that eventually the sand and iron fillings sank to the bottom of the container. How can the student separate the mixture? ASlowly pour the mixture in another container, making sure the sand does not flow out with the water. Pick the iron up with tweezers. BPour the mixture into a pot and heat one minute. Spoon the sand from the water. Use a magnet to pull out the iron. CPour the mixture through a coffee filter, leaving only the sand and iron in the filter. Separate the sand and iron with a magnet. DUse a spoon and scoop out as much sand as possible. Drag a magnet through the water to remove the iron.

80 40. A student made a garden salad by stirring lettuce, tomatoes, carrots, and croutons together in a bowl. Why is the garden salad a mixture? AThe student cut the vegetables into equally sized pieces. BThe vegetables are combined but maintain their physical properties. CThe croutons cannot be taken out of the salad. DThe salad grew from a garden.

81 40. A student made a garden salad by stirring lettuce, tomatoes, carrots, and croutons together in a bowl. Why is the garden salad a mixture? AThe student cut the vegetables into equally sized pieces. BThe vegetables are combined but maintain their physical properties. CThe croutons cannot be taken out of the salad. DThe salad grew from a garden.

82 41. All of the following are examples of containers filled with mixtures EXCEPT— Aa jar filled with trail mix Ba glass filled with water Ca bowl of cereal with milk D a cup of fruit salad

83 41. All of the following are examples of containers filled with mixtures EXCEPT— Aa jar filled with trail mix Ba glass filled with water Ca bowl of cereal with milk D a cup of fruit salad

84 42. A mixture of iron fillings and chalk dust is placed on a plate. Which of the following could be done to gather the iron fillings? APour the mixture into a funnel. BPut the mixture in a pot on the stove. CRun a magnet over the mixture. D Filter the mixture through a strainer.

85 42. A mixture of iron fillings and chalk dust is placed on a plate. Which of the following could be done to gather the iron fillings? APour the mixture into a funnel. BPut the mixture in a pot on the stove. CRun a magnet over the mixture. D Filter the mixture through a strainer.

86 43. A packet of trail mix has raisins, nuts, granola, and cranberries. Which statement correctly describes the trail mix? AThe trail mix is a mixture because it contains an equal number of nuts and raisins. BThe trail mix is a mixture because the ingredient dissolve in water. CThe trail mix is a mixture because the ingredients cannot be separated. D The trail mix is a mixture because the ingredients can be separated easily.

87 43. A packet of trail mix has raisins, nuts, granola, and cranberries. Which statement correctly describes the trail mix? AThe trail mix is a mixture because it contains an equal number of nuts and raisins. BThe trail mix is a mixture because the ingredient dissolve in water. CThe trail mix is a mixture because the ingredients cannot be separated. D The trail mix is a mixture because the ingredients can be separated easily.

88 44. A cup of orange juice with pulp is poured into a glass. Which of these procedures could be done to separate the juice from the pulp? APour the juice through a coffee filter. BHeat the juice in a pot until boiling. CPour the juice into another cup. D Allow the mixture to settle, leaving the pulp at the bottom of the glass.

89 44. A cup of orange juice with pulp is poured into a glass. Which of these procedures could be done to separate the juice from the pulp? APour the juice through a coffee filter. BHeat the juice in a pot until boiling. CPour the juice into another cup. D Allow the mixture to settle, leaving the pulp at the bottom of the glass.

90 45. Which of the following mixtures can be separated using a magnet? Asand and salt Bsand and iron fillings Csugar and water D saltwater

91 45. Which of the following mixtures can be separated using a magnet? Asand and salt Bsand and iron fillings Csugar and water D saltwater

92 46. All of these can be separated easily EXCEPT— Anuts, bolts, and screws Bpowdered drink mix, sugar, and water Csand and water D iron fillings and sand

93 46. All of these can be separated easily EXCEPT— Anuts, bolts, and screws Bpowdered drink mix, sugar, and water Csand and water D iron fillings and sand

94 47. Which mixture can be separated using a filter? Asand and iron fillings Bsaltwater Csand and water D chocolate milk

95 47. Which mixture can be separated using a filter? Asand and iron fillings Bsaltwater Csand and water D chocolate milk

96 48. Which tools are best for separating a mixture of sand, iron fillings, and water? Ahot plate and filter Btweezers and filter Cfilter and magnet D magnet and hot plate

97 48. Which tools are best for separating a mixture of sand, iron fillings, and water? Ahot plate and filter Btweezers and filter Cfilter and magnet D magnet and hot plate

98 49. A new student has joined the science class. The student was not present when the class investigated mixtures and solutions. All the following would be good ways for the class to help the student learn about mixtures and solutions EXCEPT— Adevelop a model representing mixtures and solutions Btake the student to the library and research mixtures and solutions Cdraw an illustration of mixtures and solutions D give the student a dictionary

99 49. A new student has joined the science class. The student was not present when the class investigated mixtures and solutions. All the following would be good ways for the class to help the student learn about mixtures and solutions EXCEPT— Adevelop a model representing mixtures and solutions Btake the student to the library and research mixtures and solutions Cdraw an illustration of mixtures and solutions D give the student a dictionary

100 50. When separating saltwater using a hot plate, what precaution should students use? AUnplug the hot plate if water splashes on the cord. BFollow the teacher’s instruction and put on safety goggles. CLeave the hot plate plugged in after the investigation is complete. D Follow the teacher’s instructions and record results in a science notebook.

101 50. When separating saltwater using a hot plate, what precaution should students use? AUnplug the hot plate if water splashes on the cord. BFollow the teacher’s instruction and put on safety goggles. CLeave the hot plate plugged in after the investigation is complete. D Follow the teacher’s instructions and record results in a science notebook.

102 51. Following an experiment testing mixtures, which would be the best conclusion about simple mixtures? AAfter mixing, ingredients in a simple mixture develop new properties. BStirring a simple mixture changes the properties of its ingredients. CA simple mixture can be easily separated. D A simple mixture dissolves in water.

103 51. Following an experiment testing mixtures, which would be the best conclusion about simple mixtures? AAfter mixing, ingredients in a simple mixture develop new properties. BStirring a simple mixture changes the properties of its ingredients. CA simple mixture can be easily separated. D A simple mixture dissolves in water.

104 52. Students are investigation a mixture of oil and water. They notice when the mixture is stirred vigorously it appears to mix evenly, but after letting the mixture rest, the oil floats on top of the water. The students are making— Aan inference Ba conclusion Can observation D a prediction

105 52. Students are investigation a mixture of oil and water. They notice when the mixture is stirred vigorously it appears to mix evenly, but after letting the mixture rest, the oil floats on top of the water. The students are making— Aan inference Ba conclusion Can observation D a prediction


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