Across
- 3. Attracts certain materials like iron.
- 4. Characteristics of things that grow, reproduce, and respond to their environment.
- 6. The basic building block of living organisms.
- 8. Eighth planet from the sun.
- 11. Change in position over time.
- 13. When one celestial body moves into the shadow of another.
- 16. The basic unit of matter.
- 17. Essential for life and exists in three states: solid, liquid, and gas.
- 19. Force that opposes motion between two surfaces.
Down
- 1. Rapid back-and-forth movement.
- 2. A machine capable of carrying out tasks automatically.
- 5. Small, six-legged arthropod.
- 7. Related to the moon.
- 9. An organism that makes its own food through photosynthesis.
- 10. Cold-blooded aquatic vertebrate.
- 11. Make something appear larger.
- 12. A push or pull that can change the motion of an object.
- 14. Source of energy from the sun.
- 15. Solid material made up of minerals.
- 18. Our home planet.