Across
- 2. : the layers of gases surrounding a planet or other celestial body
- 4. :The total amount of water on the planet
- 8. : the biosphere is made up of the parts of Earth where life exists
- 10. : where two plates move away from each other
- 14. TECTONICS: a scientific theory that explains how major landforms are created as a result of earths subterranean movements
- 15. DRIFT: the movement of continents resulting from the motion of tectonic plates
- 16. TRENCHES: long, narrow depressions on the see-floor
Down
- 1. :the planet on which we live.
- 3. : motion in which all points on a wave oscillate along paths at right angles to the direction of the wave's advance
- 5. WAVES: an elastic wave generated by an impulse such as an earthquake or an explosion
- 6. : first supercontinent named ...
- 7. : the rocky outer part of Earth
- 9. :shaking of the earth
- 11. : an opening in the Earth's crust through which lava, ash, and gases erupt.
- 12. : big wave. very destructive
- 13. : lots of swirly wind, often comes with a large storm