1. States of Matter
3rd Grade Science
By: Allison Stillwell

2. What is Matter? Everything around you is matter!
Matter is anything that has mass (the amount of stuff in an object) and takes up space.
There are different states, or phases, of matter.
Changes can occur between these states.

3. States of Matter The 3 Main States of Matter are: - Solid - Liquid
- Gas

4. Solid A solid is a state of matter that… Keeps its shape
Does not flow easily
Contains particles that can’t
move past one another

5. Liquid A liquid is a state of matter that…
Takes the shape of its container
Flows easily
Is made up of particles that can slide past one another

6. Gas A gas is a state of matter that… Has no shape of its own
Flows easily
Is made up of particles that can easily move past one another

7. QUIZ TIME!

8. Which of the following is a solid?
Water
Paint
Rock

9. Is a liquid a state of matter?
YES NO

10. Which of the following is a gas?
Helium (inside the balloon)
Apple
Milk

11. A solid can never change to a liquid, because changes can’t occur between states.
TRUE
FALSE

12. Which of the following is NOT a liquid?
Juice
Toothpaste
Pencil

13. CORRECT! That is a solid. It keeps its shape and doesn’t flow easily.
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14. INCORRECT That is a solid. It keeps its shape and doesn’t flow easily.
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15. CORRECT!
That is a liquid. It takes the shape of its container and flows easily.
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16. INCORRECT
That is a liquid. It takes the shape of its container and flows easily.
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17. CORRECT! That is a gas. It has no shape of its own and flows easily.
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18. INCORRECT That is a gas. It has no shape of its own and flows easily.
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19. CORRECT!
A liquid is a state of matter.
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20. INCORRECT
A liquid is a state of matter.
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21. CORRECT! Changes can occur between states.
Example: An ice cube can melt, turning it into water.
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22. INCORRECT Changes can occur between states.
Example: An ice cube can melt, turning it into water.
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23. Sources: http://www.chem.purdue.edu/gchelp/atoms/states.html