Across
- 1. chain What shows the path of energy from one organism to another?
- 3. What is the place where an organism lives and gets what it needs?
- 6. What is an organism that breaks down dead plants and animals?
- 9. web What shows how many food chains in an ecosystem are connected?
- 12. What is the number of vibrations or waves that pass a point in a certain amount of time?
- 14. What describes a material that lets some light pass through but scatters it?
- 15. What is an organism that makes its own food, usually using sunlight?
- 17. What object can separate white light into the colors of the visible spectrum?
- 18. What is a back-and-forth movement that produces sound?
- 20. What is any living thing?
- 21. What describes a material that lets almost all light pass through clearly?
- 24. What is made up of all the different populations living in the same area?
- 25. wave What is a pattern of vibrations that carries sound energy?
Down
- 2. What describes a material that does not let light pass through?
- 4. What happens when light bends as it moves from one material to another?
- 5. What is made up of all the living and nonliving things in an area?
- 7. What describes how high or low a sound is?
- 8. What is an organism that eats other organisms for energy?
- 10. What is an animal that hunts and eats other animals?
- 11. What curved piece of glass or plastic can bend light?
- 13. What is a trait or behavior that helps an organism survive?
- 16. What happens when light bounces off a surface?
- 19. What is an animal that is hunted and eaten by another animal?
- 22. What is the height of a wave that affects how loud a sound is?
- 23. What is a group of the same kind of organism living in the same area?