[ 157 ] Earth and Space Science GED ® TEST SCIENCE FLASH REVIEW • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • Evidence suggests that about 200 million years ago, all continents were a part of one landmass, now called ________. Over the years, the continents have slowly separated in a process called ________. The force needed to move billions of tons of rock is great. When plates move, some of the energy is released as ________.
