Across
- 9. summer begins on the 21st of this month
- 10. tool used to see microorganisms
- 11. the planet we live on
- 12. during condensation, a gas becomes a _____
- 14. phase change in which a liquid becomes a solid
- 15. a measurement of heat energy
- 17. spring begins on the 21st of this month
- 19. to orbit around another object
- 21. season with the most daylight
- 23. general term referring to the moon
Down
- 1. general term referring to the Sun
- 2. caused by the moon pulling on the ocean water
- 3. velocity is another word for this
- 4. what a meteorologist studies
- 5. fall begins on the 21st of this month
- 6. season with the longest nights
- 7. object in space that orbits the earth
- 8. tool used to see distant stars
- 13. winter begins on the 21st of this month
- 16. basic building block of all matter
- 18. to spin on an axis
- 20. object in space that the Earth orbits around
- 22. the faster an object moves, the more _____ energy it has