1. Chapter 1 4 th Grade Nature of Matter Ms. Ramona Aldridge

2. Solid Matter that keeps its shape and takes up the same space.

3. Liquid Matter that always takes up the same space, but has no definite shape.

4. Gas Matter that can change in shape and volume.

5. Plasma Sun, stars and lightening are examples of plasma.

6. Mass The amount of matter in an object.

7. Volume The amount of space that matter takes up.

8. Density Mass of one unit of volume of a substance

9. Heat The flow of thermal energy.

10. Temperature A measure of the average motion of particles.

11. Change of state A change, for example, from solid to liquid, or liquid to gas.

12. Images from: http://art4linux.org/system/files/liquid- 1600.jpg Images from: http://art4linux.org/system/files/liquid- 1600.jpg