Across
- 3. A mixture that has different parts
- 7. How much matter occupies a space
- 10. A change that changes shape or size
- 12. Particles packed close together and vibrate
- 14. When it's winter in the northern hemisphere, it's this season in the southern hemishere
- 15. How we have night and day
- 16. The amount of matter an object has
- 18. Sink or floating
- 20. The amount of space an object takes up
Down
- 1. When no moon is seen in the sky
- 2. How we have seasons
- 4. What keeps us down to earth
- 5. A change that changes the color or temperature
- 6. Particles move absolutely freely
- 8. Angled rays of light hitting Earth
- 9. The path of the earth's rotation
- 11. A solution that's the same
- 13. Straight rays of light hitting the earth
- 17. When the entire moon is visible
- 19. Particles move freely but are still close together