Across
- 2. Rocks formed by hot molten or liquid rocks cooling very quickly
- 5. This object in the solar system is a yellow dwarf star.
- 9. This planet is so far from the sun that the water is frozen.
- 10. The breaking down of material by things like air or water.
- 11. This is what it is called when the Earth spins on axis; it takes 24 hours
- 15. When the sun heats water to its boiling point and turns liquid to gas
- 16. Rain, snow, sleet, or hail
- 18. This planet is covered in rust because iron mixes with oxygen to form iron oxide
- 19. The four outer planets are known as this
- 20. This planet is the closet to the sun
Down
- 1. When water vapor cools and turns back into water droplets to form clouds
- 3. This planet has the largest rings
- 4. This planet is the largest planet in the solar system
- 6. This is the movement of an object around another object.
- 7. Rocks that are formed from pressure and heat
- 8. Rocks formed from sediments under high pressure
- 12. This planet was once part of the main planets but is now a dwarf planet
- 13. This planet is blue and lays on its side
- 14. This planet is the hottest in the solar system because of its thick atmosphere
- 17. This planet is the perfect distance from the sun