Across
- 1. Smallest particles in the universe
- 4. "The father of modern physics."
- 6. creating energy from atom
- 9. All matter is defined by space and time
- 10. Equivalence of mass and energy formula
Down
- 2. Anything that takes up space in the universe
- 3. Distribution of light
- 5. Movement of particles of matter
- 7. an idea used to explain a phenomenon
- 8. group of atoms that forms substance