Across
- 4. how much something weighs
- 5. A substance made up of Atoms
- 8. A substance that cannot be separated
- 9. particles have medium speed
- 10. two or more substance that are not a chemical
- 12. the change of state to a liquid to a solid
- 13. anything that has mass
- 15. positive charged particles in an atom
- 16. is an amount a thing weighs
Down
- 1. a form of matter
- 2. is the smallest unit of an element
- 3. the amount of space
- 4. the change of state from a solid to a liquid
- 6. the smallest atom
- 7. liquid to a gas
- 11. is A negative charge to particle
- 14. the particles vibrate in space