Across
- 3. The force that keeps Earth and its atmosphere together
- 4. Tides without power
- 6. Layer where humans live and weather happens
- 7. Harmful rays blocked by the ozone layer
- 8. Protective gas layer that blocks harmful UV rays
- 10. where tides occur
- 12. Earth layer made mostly of iron and nickel
- 13. Natural opening where magma escapes to the surface
- 17. The spinning of Earth on its axis
- 18. Tides these are what people call larger tides
- 19. The layer above the stratosphere
- 20. Hot melted rock that comes out of a volcano
Down
- 1. The rigid outer part of Earth made of crust and upper mantle
- 2. The atmospheric layer where airplanes often fly
- 5. Liquid metal layer surrounding the inner core
- 9. The gas humans need to breathe
- 11. Main gas found in Earth’s atmosphere
- 14. Earth layer made of solid rock and tectonic plates
- 15. Imaginary line that goes through the center of Earth
- 16. Thickest layer of Earth
- 19. Molten rock inside the mantle