Plate Tectonics Projects

123
Across
  1. 3. The name of the single landmass that broke apart about 225 million years ago
Down
  1. 1. Drift Alfred Wegener's hypothesis that the continents were once one huge land mass but have since then drifted apart
  2. 2. of Plate Tectonics Theory that pieces of the Earth's lithosphere are in motion,driven by convection currents in the mantle