GTerry Crossword

4. a tectonic plate boundary where the plates slide past each other.
7. to make a change in direction.
8. a hard granular igneous rock, used for building.
10. a trench formed when an oceanic tectonic plate submerges underneath a continental plate.
11. a black igneous rock formed from fast flowing lava.
12. rock being formed by solidifying lava/magma.
13. the center of the earth.
14. rock formed by heat and pressure
15. a unit of measurement that measures to be 0.6 of a mile.
17. the circulation of a substance due to heat.
18. magma from the mantle rising into the crust, causing volcanoes.

1. science that deals with the history and function of the Earth.
2. the theory that states sections/plates of the Earth’s crust floats on the mantle.
3. to change, make, or become something.
5. a part of earths magnetic environment, known as the magnetosphere.
6. a device used to measure earthquakes.
9. rock formed by sediments
16. the layer of the earth under the crust, continental plates float on this layer.