Across
- 2. smallest unit of energy,
- 3. formal idea.
- 5. to thinkin a logical way and understand things.
- 6. the study of the rules in nature
- 7. tiny particle with a negative charge in atoms
- 8. space and time change with speed and gravity.
- 9. what states your predictions about what your research will find.3.scientist:persons who discover things.
Down
- 1. releases electrons from a material.
- 4. things.