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Insulation Lab Review Insulator - Does not transfer energy easily Examples are wood and foam Conductor- materials that transfer energy easily Examples.

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Presentation on theme: "Insulation Lab Review Insulator - Does not transfer energy easily Examples are wood and foam Conductor- materials that transfer energy easily Examples."— Presentation transcript:

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2 Insulation Lab Review Insulator - Does not transfer energy easily Examples are wood and foam Conductor- materials that transfer energy easily Examples are metals

3 If you want to insulate an object, what are you trying to do? Think about it! Would you want something that is a good conductor??

4 Insulation Lab Answers 1.There is a difference between the control cup and the insulated cup because the insulation is slowing down the transfer of heat. 2.An insulator is a poor conductor (does not transfer heat very fast), therefore it will keep cold objects cold and warm objects warm longer. 3.Heat energy flows from warmer objects to cooler objects. The molecules of warmer objects are moving quicker then those of cooler objects.

5 Matter is made of atoms Brainpop-Atoms

6 Models In the case of atoms, scientists use large models to explain something that is very small. Atoms are so small, it would take about 1,000,000 lined up in a row to equal the thickness of a human hair. Models of the atom were used to explain data or facts that were gathered experimentally.

7 Atomic Structure Discovery Education Video Clip-Click Here

8 Protons and neutrons are in the nucleus of the atom. Protons have a positive charge and neutrons have no charge. Electrons travel on rings around the nucleus. They have a negative charge. Basic Atomic Structure Video Clip-Click Here

9 Atoms of the same element are all alike, but are different from atoms of other elements. Click Here to watch a fun song of all the elements

10 Molecule 2 or more atoms join together chemically Molecules are groups of atoms

11 Water is a molecule. It’s chemical formula is H 2 O. That means that one water molecule is made up of 2 hydrogen atoms and one oxygen atom.

12 Here is a model of a molecule. It is sugar. C 6 H 12 O 6 Click Here to hear the MEET THE ELEMENTS song

13 A Look Ahead in Science 6 th grade learning Atoms are the building blocks of matter. 7 th grade learning Cells are the building blocks of life.

14 Heat When molecules of any kind of atoms get more energy in them than they had before, they move faster, and we call that "heat". When the molecules move faster, they hit against each other and bounce apart, and so they end up further apart from each other than they were before.moleculesatomsenergy Things are hot if their molecules are moving quickly, and cold if their molecules are moving more slowly. Temperature is a way of measuring how fast the molecules are moving. Temperature Click Here to watch the Ball and Ring Heat Demonstration Brainpop-temperature

15 To melt means to change a substance from a solid to a liquid state by heating it to the melting point. Different substances melt at different temperatures. Water melts at 0°C or 32°F. Melting

16 Rock melts at about 625 degrees Celsius Chocolate melts at about 34 degrees Celsius

17 To freeze means to change a substance from a liquid to a solid state by cooling it to the freezing point. Freezing

18 The boiling point is the temperature at which a liquid changes to a vapor or gas. Again this is a different temperature for different substances. For water the boiling point is 100°C or 212°F. Boiling Point

19 What is the boiling point of rubbing alcohol? Pour 100 mL of isopropyl alcohol (C 3 H 8 O) into a beaker. Put in a thermometer Heat until boiling and read the temperature It should be about 84 o

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21 ELEMENTS, MOLECULES, AND COMPOUNDS ATOMS AND ELEMENTS ALL MATTER IS MADE OF ATOMS. ATOMS ARE TINY PARTICLES (PAR-TUH-KUHLS). EVEN AIR IS MADE OF ATOMS. ATOMS ARE SMALL. A MILLION BILLION BILLION OF THEM FIT IN A TEASPOON. NO ONE CAN SEE THEM WITHOUT HELP. IT TAKES A STRONG MICROSCOPE TO SEE THEM. WHEN SOMETHING IS MADE OF THE SAME KIND OF ATOMS, IT IS CALLED AN ELEMENT (ELL-EM-ENT). IT IS VERY HARD TO TURN ONE ELEMENT INTO ANOTHER ELEMENT. IN OTHER WORDS, IRON WILL ALWAYS BE IRON. YOU CAN’T TURN IT INTO OTHER ELEMENTS. YOU CAN HEAT IT. YOU CAN HIT IT. YOU CAN DROP IT IN ACID. IT DOESN’T MATTER WHAT YOU DO. IT WILL STILL BE IRON. IT MAY NOT LOOK THE SAME, BUT IT WILL STILL BE MADE OF IRON ATOMS. THERE ARE ABOUT 100 TYPES OF ATOMS. THEY CAN BE PUT TOGETHER IN MANY WAYS. EACH WAY MAKES SOMETHING DIFFERENT. THIS IS CALLED ATOMIC ARRANGEMENT (UH-TOM-IK UH-RANGE-MUHNT). MOLECULES AND COMPOUNDS ATOMS CAN JOIN TO MAKE MOLECULES (MOL-UH-KYOOLS). A MOLECULE HAS TWO OR MORE ATOMS STUCK TOGETHER. THEY BECOME A NEW SUBSTANCE CALLED A COMPOUND (KOM-POWND). A COMPOUND HAS DIFFERENT PROPERTIES FROM THE ELEMENTS THAT MAKE IT. FOR EXAMPLE, WATER IS MADE FROM HYDROGEN AND OXYGEN. BUT IT ISN’T LIKE EITHER OF THEM. WATER IS A COMPOUND. EACH WATER MOLECULE HAS TWO KINDS OF ATOMS. THERE ARE TWO HYDROGEN AND ONE OXYGEN ATOM. THIS IS WRITTEN AS H 2 O. THE NUMBER TWO MEANS THAT THERE ARE TWO HYDROGEN ATOMS IN THE MOLECULE. NO NUMBER AFTER THE O MEANS THERE IS JUST ONE ATOM OF OXYGEN. COMPOUNDS ARE MADE BY REACTIVE (REE-AK-TIV) ELEMENTS. REACTIVE ELEMENTS JOIN EASILY WITH OTHERS. SOME ELEMENTS ARE VERY REACTIVE. SOME ARE NOT. THE MORE REACTIVE AN ELEMENT, THE MORE LIKELY IT WILL FORM COMPOUNDS. Informational Article

22 Create 3 questions from the reading that all readers should be able to answer when finished.

23 Still confused? Maybe the story of The Atoms Family will help you. Just keep clicking !

24 The Atoms Family was created by Kathleen Crawford, 1994 Presentation developed by Tracy Trimpe, 2006, http://sciencespot.net/

25 Name: Nelda Neutron Description: Neutral Favorite Activity: Hanging out at the Nucleus Arcade In the center of Matterville, there is a place called the Nucleus Arcade, where two members of the Atoms Family like to hang out. Perky Patty Proton, like her sisters, is quite large with a huge smile and eyes that sparkle (+). Patty is always happy and has a very positive personality. Nerdy Nelda Neutron is large like Patty, but she has a boring, flat mouth and eyes with zero expression (o). Her family is very apathetic and neutral about everything. Patty, Nelda, and their sisters spend all their time at the arcade. The Atoms Family Story Name: Patty Proton Description: Positive Favorite Activity: Hanging out at the Nucleus Arcade

26 Name: Elliott Electron Description: Negative Favorite Activity: Racing around the arcade Around the Nucleus Arcade, you will find a series of roadways that are used by another member of the Atoms Family, Enraged Elliott Electron. Elliott races madly around the Arcade on his bright red chrome-plated Harley-Davidson. He rides so fast that no one can be sure where he is at any time. Elliott is much smaller than Patty and Nelda and he is always angry because these bigger relatives will not let him in the Arcade. He has a frown on his face, eyes that are squinted with anger, and a very negative (-) attitude.

27 The first energy street can only hold only two Electron brothers. The second energy street, called the Energy Freeway, can hold 8 brothers. The third energy street, called the Energy Superhighway, can hold 18 of the brothers. Nucleus Arcade Contains protons & neutrons Energy Freeway Can hold 8 electrons Energy Superhighway Can hold 18 electrons Energy Street Can hold 2 electrons

28 The morale of Matterville is stable as long as each negative Electron brother is balanced out by one positive Proton sister. The number of residents in Matterville depends on the Proton and Neutron families. Challenge: What would happen to the morale of Matterville if one Elliott Electron was kidnapped?

29 Challenge 2: What would happen to the morale of Matterville if one Elliott Electron moved to Matterville?

30 1st Verse: They’re tiny and they’re teeny, Much smaller than a beany, They never can be seeny, The Atoms Family. Chorus 2nd Verse: Together they make gases, And liquids like molasses, And all the solid masses, The Atoms Family Chorus 3rd Verse: Neutrons can be found, Where protons hang around; Electrons they surround The Atoms Family. Chorus Chorus: They are so small. (Snap, snap) They’re round like a ball. (Snap, snap) They make up the air. They’re everywhere. Can’t see them at all. (Snap, snap) Click here for a video of a class singing the song.

31 They’re tiny and they’re teeny, Much smaller than a beany, They never can be seeny, The Atoms Family.

32 They are so small. (Snap, snap) They’re round like a ball. (Snap, snap) They make up the air. They’re everywhere. Can’t see them at all. (Snap, snap)

33 Together they make gases, And liquids like molasses, And all the solid masses, The Atoms Family

34 They are so small. (Snap, snap) They’re round like a ball. (Snap, snap) They make up the air. They’re everywhere. Can’t see them at all. (Snap, snap)

35 Neutrons can be found, Where protons hang around; Electrons they surround The Atoms Family.

36 They are so small. (Snap, snap) They’re round like a ball. (Snap, snap) They make up the air. They’re everywhere. Can’t see them at all. (Snap, snap)

37 Ready to try it again? Click the music note to try the song again. If you do not want to sing it again, click the arrow to move to the next slide.

38 Atomic number equals the number of ____________ or ________________. Atomic mass equals the number of ______________ + _______________. The Atoms Family - Atomic Math Challenge Atomic Number Symbol Name Atomic Mass protons electrons protons neutrons

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