Across
- 3. Planet closest to the Sun
- 6. Variable that you change in a science experiment
- 8. Heat Transfer that occurs through touch
- 9. Imaginary line around the center of the Earth
- 11. Invention that proved the Sun is the center of the Solar System
- 13. Heat Transfer that comes from the sun
- 14. Smallest part of an element
- 15. Variable that you measure in a science experiment
Down
- 1. Two elements combine to form this
- 2. Variables that stays the same in a science experiment
- 4. Heat Transfer that is the rising and falling of air
- 5. Causes the moon to revolve around the Earth
- 7. Only planet in our solar system to have liquid water
- 10. Demoted to Dwarf Planet status in 2006
- 12. Made of ice and dust and travels in elliptical orbits