Across
- 7. the amount of heat energy in matter
- 9. one of the 4 phases of matter in the universe
- 11. a tiny particle made of 2 or more atoms
- 13. dealing with mass, volume, size, shape of matter
Down
- 1. one of the 4 states of matter (less commonly found)
- 2. a way to observe or evaluate something
- 3. a positively charged particle inside an atom
- 4. the amount of space an object takes up
- 5. a very small piece that makes us an atom
- 6. a particle inside an atom with no charge
- 8. the center part of an atom with protons/neutrons
- 10. related to heat
- 12. an explanation for why or how something happens
- 14. a state of matter where the atoms are tightly packed