1. Matter Solids, Liquids, and Gases
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2. Matter Matter is anything that takes up space.
Everything on earth is matter.
Matter exists in three states:
Solids
Liquids
Gases

3. Solids A solid does not change size or shape when it is moved.
You can measure the shape and the mass of a solid.
Examples: book, apple, shoes
Can you think of anymore?

4. Liquids Liquids do not have their own shape.
They take the shape of its container.
Examples: water, juice, syrup
How do liquids look and feel?

5. Gases
Gas is matter that is all around you and fills many kinds of things.
For example, bubbles, balloons, and balls are filled with gas.
Air is also a gas.
Can you think of another example?

6. Molecules
Solids, Liquids, and Gases are made up of tiny particles called molecules.
As a class we can act as if we are the molecules that make up solids, liquids, and gases!
Everyone stand up and get ready to have some fun!

7. Solids Get as close as possible to one another and hold hands.
The molecules in a solid are very close together and do not move very much.

8. Liquids
To act as a liquid we still hold hands, but we spread out some and move together.
The molecules of a liquid are loosely tied together and flow freely.

9. Gases Everyone let go of your neighbor’s hands and spread out.
Walk around the room and slightly bump into one another, like bumper cars.
The molecules in a gas have a lot of space between them and move freely.

10. Can you think of an object that can act as a solid, liquid, and a gas?

11. Conclusion
Now that we have reviewed solids, liquids, and gases it is now time to work in the Lab and understand how matter behaves more concretely.
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