Across
- 2. The continents of Africa, South America, India, Australia, and Antarctica when all the continents were a single landmass.
- 4. The vent on the earth's surface through which magma and gases are expelled is a called a BLANK.
- 6. the process by which Earth's crust breaks apart; can occur within continental crust or oceanic crust
- 8. boundary between two plates that are sliding past each other.
- 9. When the earth's tectonic plates move, we call this a BLANK.
- 10. where two plates are moving apart, magma comes up to create new crust
Down
- 1. boundary between two colliding plates, often associated with mountain building ocean trenches and volcanic islands
- 3. The continents of North America and Eurasia when all the continents were a single landmass.
- 5. the solid, outer layer of the earth that consists of the crust and the rigid upper part of the mantle
- 7. is the layer of the upper mantle composed of low-density rock matterial that is semiplastic,like putty.