[ 159 ] Earth and Space Science GED ® TEST SCIENCE FLASH REVIEW • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • When two tectonic plates separate, energy is released, earthquakes occur, and magma is released. The Atlantic Ocean was formed by the separation of plates over millions of years. What is the word for this type of movement by the tectonic plates? • subduction • diverging • converging At some tectonic plate boundaries, one plate slides under the other. As the plate slides under the other, the crust melts as it goes deeper into the earth. What is this process called? • subduction • diverging • converging As one plate slides under the other, the crust melts as it goes deeper into the earth. This creates ________, which rises to the surface and can form volcanoes.