Across
- 2. how frequently a wave happens
- 4. an atom with a positive charge
- 6. built up energy
- 7. a web showing the food chain
- 10. normally a plant, so that other animals can eat
- 11. science table
- 12. light or sound
- 14. light bouncing off of a surface
- 16. how much atoms are moving
- 17. The height of a wave
- 18. not natural
- 21. how long a wave is
- 22. light can not go through it
- 23. how much space something takes up
- 26. a wave moving back and forth compressing
Down
- 1. only letting some light through it
- 3. loosing heat
- 5. light "changing directions"
- 8. a species that breaks down things in an ecosystem
- 9. something that is moving is using _____ energy
- 13. made up of different atoms to create a new substance
- 15. a spectrum with waves + visible light waves
- 19. the highest point on a wave
- 20. the ability to do work
- 24. the lowest part of a wave
- 25. something that is not alive in an environment