Earthquakes

4. Tectonic plates move because of ________ currents.
6. The layer of the Earth with tectonic plates.
10. A type of plate boundary where two tectonic plates are moving away from each other is called _______.
11. In a convection current, hot liquid has more ______ than cold liquid.
12. Where in the Earth does radioactive decay happen?
15. There is a divergent plate boundary in ______, Africa.
16. What will happen to Africa in the future?
18. Convergent tectonic plates will create _______.

1. A type of plate boundary where two tectonic plates are moving together is called _______.
2. Divergent tectonic plates will create a _______.
3. The core of the Earth is hot because of __________ decay.
5. The layer of the Earth with convection currents.
7. The name of the tool we use to measure earthquakes.
8. In a convection current, hot liquid will be less ______ thank cold liquid.
9. A rock that is more dense is likely to be _________.
13. In radioactive decay an atom loses ______.
14. What is it called when the ground shakes?
17. A type of plate boundary where two tectonic plates are moving opposite each other is called _______.