Across
- 2. describing the movement of plate is called plate tectonies
- 4. oceanic plate is always a bit ---------- than other Less dense
- 5. plates along the ocean bed spread apart and hot magma is forced out. sea floor spreading
- 6. a plate sinks into the mantle seductive
Down
- 1. ---------- is approximately 150km (60km) thick and is made up of the crust lithosphere
- 2. magma that comes out during seafloor spreading is called ----- ba salt
- 3. plates are denser than continental plates