Across
- 2. What do you call molten rock that is inside a volcano?
- 4. What is the name of an if, then statement?
- 6. What does sound need to travel?
- 8. What part of the electromagnetic spectrum has the shortest wavelength?
- 9. Is chewing food a learned behavior or instinct?
- 11. What moves faster: light or sound?
- 13. What effects the dependent variable?
- 16. What do you call the top of a wave?
- 17. What color has the second longest wavelength?
- 18. What is the top layer of the earth?
Down
- 1. What part of the plant produces food?
- 2. What planet is closest to the sun?
- 3. Who patented and improved the light bulb?
- 4. What does friction create?
- 5. Is a wood plank transparent, translucent, or opaque?
- 7. Which part of the electromagnetic spectrum has the longest wavelength?
- 10. Sound is caused by what?
- 12. What is the bending of light?
- 14. What planet is farthest away from the sun?
- 15. What part of the plant collects nutrients and water for the rest of the plant?