1. Solid, Liquid, and Gas for 3rd grade
States of Matter
Solid, Liquid, and Gas for 3rd grade
Sara Brown, Emily Kiraly, and Stephanie Schidel

3. #23 Guided Reciprocal Peer Questioning
What causes ____?
What is the difference between _____ and _____?
How are _____ and _____ similar?
Why is it important to know _____?

5. Liquids
A liquid is an in-between state of matter, between a solid and gas.
The atoms in a liquid are close together.
Liquids actually want to stick together because of their cohesive nature.
This is what makes liquids hard to compress.
Liquid will form to the shape of a container.

6. Liquid Molecular Structure

7. Solids
Solids are typically hard because their molecules are packed close together.
The closer the molecules are, the harder the solid object is.
The molecules in a solid are stuck where they are.
Solids hold their own shape.

8. Solid Molecular Structure

9. Gases A gas is also called a vapor. Gases are random groups of atoms.
Gases are really spread out and the atoms and molecules are full of energy.
The gas molecules are constantly bouncing around!
Gases are free-flowing, but they can also be placed into a container.

10. Gas Molecular Structure

11. #31 Justified True or False Statements
True or False? Gases have closely packed molecules.
True or False? Liquids are an in-between state of matter.
True or False? A solid can be soft or hard.
True or False? Ice can be considered both a solid and a liquid.
True or False? Candle wax is a solid.

12. What’s the matter?