Chapter 5

Rocks

Study Guide

Vocabulary:

Texture, igneous rock, metamorphic rock, grain, sedimentary rock

Extrusive rock, intrusive rock, porphyritic texture

Sediment, erosion, deposition, compaction, cementation, clastic rock, organic rock, chemical rock

Coral reef, atoll

Foliated

Rock Cycle

Essays:

Answer 1 of the following

A. Which would have larger crystals, an igneous rock formed from magma that cooled deep below the surface or an igneous rock that cooled from lava on the surface? Explain why.

B. Describe granite using the three characteristics geologists use to classify igneous rocks.

C. What would happen to a coral reef if a disease suddenly killed most of the algae in the reef? Explain your answer.

Everyone do the following: Draw a diagram of the Rock Cycle and write a paragraph explaining your diagram.

You will also have 6 “go to the counter” questions that will include things like: Identify the texture of this igneous rock. What type of sedimentary rock is this? Is this igneous rock intrusive or extrusive? Is this metamorphic rock foliated or nonfoliated? Name this rock.