Across
- 3. German scientist responsible for the continental drift theory
- 4. plastic-like layer of the mantle
- 6. process by which one tectonic plate is pulled under another
- 7. plate boundary in which the plates move away from each other
- 9. plate boundary in which the plates slide past each other
- 10. plate boundary in which the plates are push together
Down
- 1. section of earth composed of crust and outermost mantle
- 2. decay of a radioactive atom to a stable atom
- 5. currents within the mantle that is driven by density and temperature differences
- 8. outer most layer of the Earth