1. What is Matter?
3.5B Describe and classify samples of matter as solids, liquids, and gases and demonstrate that solids have a definite shape and that liquids and gases take the shape of their container.

2. Matter is anything that has mass and takes up space.

3. Mass
The amount of material or matter in an object.

4. The amount of space matter takes up.
Volume
The amount of space matter takes up.

5. The smallest part of matter that still has the properties of matter.
Molecule
The smallest part of matter that still has the properties of matter.

8. Properties of Matter Part I Video (20:00)

9. Three States of Matter Video

10. States of Matter

11. States of Matter

12. Classifying Matter

13. Solids
Solids have their own shape. If you put an apple in a bowl, will it change shape? No! It has definite shape, definite mass, and definite volume.

14. Liquids
Liquids take the shape of their container. If you put water in a cup, it takes the shape of the cup. Liquids do not have definite shape, but have definite mass and definite volume.

15. Gases
Gases expand to take fill their container. Helium takes the shape of a balloon and air takes the shape of a room. Liquids do not have definite shape, mass or volume.

16. Classifying Matter Picture Sort