Across
- 1. Long-term patterns
- 4. different alleles
- 6. Renewable
- 10. visible light
- 14. wave with most energy
- 17. energy moves from one object to another
- 18. Moon passes through Earths shadows
- 19. Short-Term conditions
- 20. sound waves need
Down
- 2. height of wave
- 3. Stores genetic information
- 5. Moon between Earth and Sun
- 7. Nonrenewable
- 8. Produce heat
- 9. number of waves passing each second
- 11. Earth between Sun and moon
- 12. Warm hands after rubbing
- 13. Distance between wave crests
- 15. a representation of a degin
- 16. what the design must do to be successful