Across
- 4. study of atoms and chemicals
- 9. you need this to see
- 10. guess about how something works
- 12. change
- 14. do math
- 15. never ending
Down
- 1. study of life
- 2. study of the universe
- 3. pull together
- 5. study of numbers
- 6. happens sometimes, a number pattern
- 7. how big something is
- 8. push apart
- 11. emptiness, a place to be
- 13. a very tiny piece of matter