Across
- 3. made the sea floor speading
- 6. two tectonic plates move away from each other
- 8. currents beneath the plates moves the crustal plates.
- 9. when plates slide sideways past eachother
- 10. a single continent
Down
- 1. two plates come together
- 2. the layer of rock that forms earth's outer surface
- 4. basic units called plates
- 5. founded the plate tectonic
- 7. a three-pronged fissure grew between Africa, South America, and North America