Across
- 3. particles: Fill the universe
- 4. einstein:person who discovered the rotation of the planets
- 6. First subatomic particle in the universe
- 7. static that scientist kept hearing
- 8. bang: A theory that suggest our universe is always expanding
Down
- 1. Second Subatomic particle in the universe
- 2. things made up of
- 5. EM spectrum is used to study (what)
- 6. and helium
- 7. the temperature of the atomic particles (what) and caused the universe to expand
