Across
- 4. caterpillar stage of a butterfly
- 6. how fast an object moves at a certain distance
- 7. attracts or repels certain objects
- 10. Without backbone with legs and wings
- 11. has feathers and lay eggs
- 12. push or pull
Down
- 1. life for trees and wild animals
- 2. a measure of how much matter is in an object
- 3. make their own food
- 5. a pulling force between two objects
- 7. A change in position of an object
- 8. how high or low sound is
- 9. lives both in land and water