Across
- 2. microwave type of big bang theory
- 3. the basic unit of matter
- 5. mountain or hill which having lava
- 9. matter and space as a whole
- 13. spectrum chemical element or chemical compound
- 15. light from the sun
- 16. anything having mass and taking up space
- 18. a rearrangement of atoms into new substances
- 21. atoms of same elements having a different mass
- 22. table of chemical elements
- 23. having a PH of less than 7
- 24. one of states of matter
- 25. bang how the universe began
Down
- 1. the relative amount of solute
- 4. able to be changed
- 6. how far is it from starting cycle to ending cycle
- 7. fusion when two or more nuclei together
- 8. how far something is
- 10. are dark planet-sized regions that appear on the sun
- 11. one complete performance of a periodic process
- 12. lighter elements sometimes have too many neutrons
- 14. when water becomes a solid
- 17. send into the air
- 19. all atoms with more than 82 protons are radioactive
- 20. something becomes a liquid by heat
- 21. type of rocks