Matter

3. Matter is composed of ______ called atoms that are too small to be seen
9. During heat gain, particles spread out and become more ____ as heat is added.
10. As temperature _____ many kinds of matter change from a solid to a liquid to a gas.
11. Gas particles are ____ out.
12. As its temperature ___ many kinds of matter change from a gas, to a liquid, to a solid.
14. A ___ change when a substance gains or loses energy.
15. a substance made by mixing other substances together
17. Liquid particles are ____ moving.
18. A substance that is dissolved into another substance

1. This state of matter will assume the volume and shape
2. This state of matter has a definite volume and takes the shape of its container.
4. During heat loss, as heat is lost, particles ___ and become tighter together as they cool and slow down.
5. anything that has mass and takes up space
6. the amount of matter in an object
7. What can change the states of matter?
8. The particles in a solid are tightly ____ together.
13. Solutions cannot be easily _____.
16. This state of matter has a definite shape and a definite volume.