Environmental Science Semester 1

3. This type of boundary involves two tectonic plates rubbing against each other
6. The layer of the atmosphere closest to the earth
8. This type of volcano occurs in the middle of a tectonic plate
10. The abyss of the ocean
14. These are caused by divergent boundaries
15. The name given for all the water on earth
16. The first scientist to propose the idea of continental drift
17. This type of boundary involves two tectonic plates moving apart
18. The sunlight zone of the ocean
19. The name for the land mass when all the continents were together
20. The twilight zone of the ocean

1. The air around the earth
2. This are caused by transform boundaries
4. The dark zone of the ocean
5. The earth is made up of 12 of these
7. Absorbs harmful rays from the sun
9. Currently the deepest part of the ocean
11. This layer of the atmosphere contains the ozone layer
12. The outermost layer of the atmosphere
13. This type of boundary involves two tectonic plates moving towards each other
15. The trench zone of the ocean
20. These are caused by convergent boundaries