Matter Review

2. The process from a gas to a liquid.
4. All light is able to pass through the object. E.g., clear plastic wrap.
5. The amount of space a material occupies.
9. The process from a gas to a solid.
10. The process from a liquid to a gas.
11. This 'change' cannot be reversed. It is irreversible.
13. The individual unit of a substance, often used to describe molecules and atoms.
14. The state of matter that does not have a definite shape or volume.
15. The amount of matter in a substance, usually measured in grams or kilograms.
16. Some light is able to pass through the object. E.g., stained glass window.
18. Light does not pass through the object. E.g., a wall.
19. The state of matter that has a definite shape and volume.

1. The process from a solid to a liquid.
3. Solid liquid and gas.
6. The process from a liquid to a solid.
7. This 'change' can be reversed.
8. The process from a solid to a gas.
10. The property of a material to be stretched or compressed and return to its original shape.
12. To move aside or push out of the way. E.g., when you go into a bath tub filled with water.
15. any material with mass or volume.
17. The state of matter that does not have a definite shape, but has a definite volume.