2nd Quarter

2. The property that peels off in flat sheets.
4. an underwater earthquake can cause a wave called a ______.
6. Plates move together at ______ boundaries.
8. The cycle of heating, rising, cooling, and sinking is called________current.
9. What is the name of the giant supercontinent.
12. Changes in the ______of seismic waves were used to determine the location of Earth's layers.
13. The layer over which the tectonic plates move is the _____________.
15. The place where an earthquake originates is called the __________.
17. _____________boundary has plates sliding past each other.
19. Plates move apart at________boundaries.
21. What famous strike-slip fault is located in California.
23. Each mineral has a set of properties and specific__________ makeup.

1. The fastest traveling seismic waves are____-_______?
3. _________can be located based on different speeds of seismic waves.
4. how many parts are in Earth's core?
5. Which term refers to the ridged layer of Earth that is about 100 km thick and generally less dense than the material below it?
7. The youngest rock in the ocean floor is located at the mid-ocean______.
10. Earthquakes occur when rocks __________.
11. What type of forces create mountains?
14. Oceanic plates are pushed down into the upper mantle in ______zone.
16. Earth's inner core is________.
18. Which scientist is credited with the continental drift hypothesis? Alferd_______________.
20. The study of Earth and Earth process is called?
22. continental drift occurs because of _______spreading.
24. the largest layer of Earth is the _____?