Plate tectonics

1234567
Across
  1. 2. Where our world is located
  2. 3. the amount per unit size.
  3. 4. transfer of heat caused by molecular motion in liquid or gas.
  4. 5. what we live on
  5. 7. movement of the edge of one tectonic plate under another.
Down
  1. 1. Plates under the world that move
  2. 6. the sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate.