Across
- 2. leading scientific theory of how the universe began
- 6. one complete performance of a periodic process
- 8. anything having mass and taking up space
- 10. are dark planet-sized regions that appear on the sun
- 12. all atoms with more than 82 protons are this
- 14. the relative amount of solute in a solution
- 17. able to be changed
- 18. radiation supporting the Big Bang Theory
- 20. atoms of same elements having a different mass
- 22. two or more nuclei forced together to make a larger nucleus
- 24. all of matter and space
- 25. light from the sun
Down
- 1. send into the air
- 3. the basic unit of matter
- 4. something becoming liquid by heating a solid
- 5. table of chemical elements
- 7. production and discharge of something, especially gas or radiation
- 9. mountain or hill having lava
- 11. type of rock made from cooled magma
- 13. having a PH of less than 7
- 15. a rearrangement of atoms into new substances
- 16. how far is it from start to end of a periodic wave
- 19. two protons and two neutrons released by radioactive decay
- 21. a fluid state of matter
- 23. turning from liquid to solid