Name______________________________ Class_______________________ Date __________________
Answer Key
1. B
2. A
3. B
4. T
5. T
6. F
7. T
8. F
9. Through plate tectonics, the earth’s crust shifts at a rate of about 5 inches per year. As the
ocean floor shifts and moves over an active hot spot, an up swelling of lava pushes through
creating a new volcano.
10. No, because if there were no plate tectonics, then the crust would not shift creating new land
masses and volcanoes.