Across
- 2. Process where plants lose water through leaves
- 3. Positive particle in an atom
- 6. Force that keeps planets in orbit
- 10. Organ that pumps blood
- 12. Molten rock inside Earth
- 13. Rock formed from cooled lava
- 14. Center of an atom
- 15. Process that separates mixtures using evaporation
Down
- 1. Energy stored due to position
- 4. Force that opposes motion between surfaces
- 5. Animals without backbones
- 7. Energy of a moving objec
- 8. Basic unit of life
- 9. Heat transfer through direct contact
- 11. Gas plants release in photosynthesis