Across
- 2. six-sided shapes
- 5. way something works
- 7. makes us want to solve
- 12. shape in a bee hive
- 13. use
- 14. possible
- 15. thick
- 17. coworkers
- 20. assistant, helper
Down
- 1. relationships
- 3. physics of heat
- 4. movement of energy due to differences in density
- 6. left and right
- 8. move in a circle
- 9. soaked
- 10. interesting, different thing
- 11. scientists who study physics
- 16. bowl
- 18. water under the ground
- 19. turns from liquid to gas