Across
- 3. magma rises from Earth's mantle and creates new oceanic crust
- 4. the theory that the crust is divided into large pieces called tectonic plates that move slowly
- 7. a circular movement of fluids caused by the rising of hotter, less dense fluid and the falling of cooler, denser fluid
Down
- 1. the theory that continents were once connected but have drifted apart
- 2. boundary in which two plates move away from each other
- 5. boundary in which two plates converge
- 6. boundary where two tectonic plates slide past each other