Across
- 3. - The invisible mixture of gases we breathe.
- 4. - The star at the center of our solar system that provides light and heat to the Earth.
- 7. - The big ball we live on.
- 8. - The top layer of the Earth's surface where plants grow.
- 11. - A visible mass of water droplets or ice crystals floating in the air.
- 12. - Water falling from the sky.
- 13. - The liquid that covers most of the Earth's surface.
- 15. - A natural satellite that orbits the Earth.
Down
- 1. - Something you might see in the night sky besides stars.
- 2. - A common plant that grows in yards and fields.
- 5. - A mountain that erupts with lava and ash.
- 6. - The solid part of the Earth's surface.
- 9. - A large body of saltwater on the Earth's surface.
- 10. - A high, rocky landform on the Earth.
- 14. - A hard, solid mineral material found on the Earth's surface.
