Across
- 2. Type of pollution that is the main cause of an oxygen sag curve
- 4. Type of pollution caused by an acceleration of erosion
- 5. Freshwater zone where light is able to penetrate
- 7. ______ currents cause tectonic plates to move and keeps the rock of the mantle plastic
- 9. Waves that travel the fastest and first to arrive from the focus
- 10. Scientist that interpret data as waves
- 13. Layer of the earth made up of plastic rock
- 15. Upper portion of the mantle
- 17. The point at which the plates contact each other during seismic activity
- 21. Commonly known as the “crust”
- 22. Pollution that occurs mainly due to poor water sanitation, often caused by human waste
Down
- 1. Stored energy that is released when tectonic plates to slip past each other
- 3. Freshwater zone with the least amount of light and oxygen
- 6. Plates move past one another at _________ boundaries, creating friction and stress
- 8. Deepest section of a marine biome where no light can penetrate
- 11. Waves that deform the ground perpendicular to the direction of travel
- 12. Layer of the earth where the heat and pressure cause iron deposits to be liquid
- 14. Place where the earthquake is felt the strongest
- 16. Layer of the earth where the heat and pressure cause iron deposits to be solid
- 18. Physical feature that is created at transform boundaries that can result in earthquakes
- 19. Marine zone where ocean and land meet
- 20. Imaginary boundary line between the mantle and the crust
