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Homework: Plate Tectonics

Homework: Plate Tectonics

Homework: Plate Tectonics


(Please answer questions 1 – 6 in complete sentences.)

1. (2 pts) The oldest rocks found on land are about 4 billion years old. The oldest rocks on the ocean floor are about 200,000 million years old. Why does oceanic crust not get as old as continental crust?

2. (3 pts) (a) Which Tectonic Plate is San Diego on? (b) Which Tectonic Plate is Sacramento on? (c) Which Tectonic Plate includes most of Mexico?

3. (2 pts) At which two types of plate boundaries do Volcanoes form?

4. (2 pts) What process caused the Atlantic Ocean to grow into a large ocean?

5. (3 pts) What type of plate boundary is creating the Andes Mountains and what are the names of the two plates?

6. (2 pts) What two types of faults are found in the Gulf of California?

7. (8 pts) Match the description with the photos below:

(a) Divergent Plate Boundary: Continental Rift

(b) Transform Plate Boundary (Transform Fault)

(c) Convergent Plate Boundary: Continental – Continental Plates

(d) Mantle Plume: Oceanic Plate

(e) Layering of Crust and Mantle

(f) Divergent Plate Boundary: Oceanic  – Oceanic Plates

(g) Convergent Plate Boundary: Oceanic – Continental Plates

(h) Mantle Plume: Continental Plate

Tectonic Plate Boundary.

(1) ?

Tectonic Plate Boundary.

(2) ?

Tectonic Plate Boundary.

(3) ?

Tectonic Plate Boundary.

(4) ?

Tectonic Plate Boundary.

(5) ?

Tectonic Plate Boundary.

(6) ?

Tectonic Plate Boundary.

(7) ?

Laying in Earth compared to Oreo Cookie.

(8) ? (Earth layers compared to Oreo cookie) 

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