Across
- 6. This pulls objects down toward the center of the Earth.
- 8. The only star in our solar system.
- 9. This is what causes day and night on Earth.
- 11. Makes its own food through photosynthesis. Uses the sun for energy.
- 12. this changes based on how fast or slow an object vibrates.
- 13. distance divided by time.
- 18. Force that slows an object when two objects touch each other.
- 20. When light goes through an object and it bends.
- 21. This organism eats both plants and animals.
- 23. Breaks down dead plants and animals and returns nutrients into the soil.
- 24. The tilted one of these is why we have season on Earth.
- 25. This is the process in which a plant makes its own food.
- 26. Eats only plants.
- 27. A symbiotic relationship where both organisms benefit.
Down
- 1. Eats other organisms to get energy.
- 2. a dwarf planet
- 3. This organism hunts, catches and eats other animals.
- 4. This causes an object to move upward. It is a force on the wing of an object.
- 5. How loud or soft a sound is. It is measured in decibels.
- 7. speed in one direction.
- 10. When sound bounces off of an object.
- 11. A symbiotic relationship where one organism is helped and the other is harmed.
- 14. this causes an object to slow down in the water or air.
- 15. This happens when a light is shined on a smooth object
- 16. A symbiotic relationship where one organism is helped and the other is not harmed.
- 17. When light does this, it turns into heat energy.
- 19. This organism eats only meat.
- 22. This planet has a tilted axis, takes 24 hours to rotate and is made of water.
