Across
- 2. Real name of the sun.
- 4. Albert Einstein's famous equation.
- 6. A device that spins & seperate light & heavy elements.
- 9. Uranium & Plutonium have this in common.
- 11. Another word for alien.
Down
- 1. Someone who does science.
- 3. Real name of the moon.
- 5. The science of organic living things.
- 7. A big rock in space.
- 8. Something that spins around a planet is called an ___.
- 10. Deoxyribonucleic acid also known as ___.
- 12. What was before DNA.