Across
- 4. the top layer of the ocean where light is visible and the warmest temperatures are recorded
- 7. when it erupts, lava is released from a linear vent in the earth
- 8. causes an extreme growth in algae and pollutes the necessary nutrients for water life
- 10. a supercontinent formed by Pangea that consists of Europe, Asia, and North America
- 11. an underwater plain found deep in the ocean
- 13. a volcano found in the ocean where there is seafloor spreading
- 15. most animal life dies here because of a lack of dissolved oxygen in the water
- 16. the focal point or origin point of an earthquake
- 19. two plates slide past each other
Down
- 1. too little oxygen in a body of water that leads to the death of many or all sea creatures within that area
- 2. one plate slides under another plate
- 3. boundary between the crust and mantle
- 5. a bubbly, extrusive, basaltic lava
- 6. hot and less dense liquid rises and cools, then sinks
- 9. sea creatures exist and produce their own light within high pressure
- 12. under the lithosphere and consists of the upper mantle
- 14. the chemical compound of O3 that protects the earth from the sun's radiation and is mostly found in the stratosphere
- 17. the deepest recorded part of the ocean, located near Japan
- 18. land that separates water going into other bodies of water such as rivers, lakes, or streams
- 20. a plate on one side of a fault moves vertical in respect to the other plate