Geology for the CSET Subtest 2 Science Section

Apr
16

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Excerpt from the CSET Study Guide

If you are studying for the CSET Multiple Subjects exam, you should know the geology facts below for the subtest II, Science section.

Question: What are the four layers of the earth?

Answer
Crust – thin zone 5 -25 miles only rocks we study even in the deepest mines

Mantle – largest zone, crystalline silicates magnesium, calcium, iron

Outer Core – liquid

Inner Core – solid, Iron & nickel

Question: What are igneous rocks?

Answer
Igneous rocks are cooled molten rock matter (lava). Glassy, fine grained, fragmental, volcanic rock = Basalt, Plutonic rock = Granite

Question: What are sedimentary rocks?

Answer
Formed by deposition, usually in a body of water. Mud, sand, pebbles, salty. (Sandstone, Salt, Limestone)

Question: What are metamorphic rocks?

Answer
Produced when sedimentary or igneous rocks are transformed by high temperature or pressure (Quartz, Marble).

Question: What are organic rocks?

Answer
The word “organic” means “from life”. Organic sedimentary rock forms from the remains of plants and animals. These rocks are rough and loosely packed. The most common example of

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