Across
- 3. A force that pulls objects to the ground
- 8. A device used to make observations
- 9. Parts of a plant that makes food for the plant.
- 10. Part of a plant that absorbs water and mineral salts from the soil
- 11. The process of eating food
Down
- 1. A force that opposes motion
- 2. The study of living things
- 4. The basic unit of living things
- 5. A type of energy used in light bulbs
- 6. The process of a plant growing from a seed
- 7. A gas that animals breathe out