AES CHAPTER 5 IGNEOUS ROCKS

5.1 What are Igneous Rocks?

Define the following:

Igneous rock-

Lava-

Extrusive-

Intrusive-

Partial melting-

Fractional crystallization-

Bowen Reaction Series-

Answer the following:

1. Compare and contrast intrusive and extrusive igneous rocks.

	Similar	Different
Intrusive
Extrusive

2. Describe the composition of magma.

3. List the FOUR main factors involved in the formation of magma.

4. Describe TWO ways that rocks melt.

Do p. 106 SECTION ASSESSMENT

1.

2.

3.

6. Create a Venn Diagram.

5.2 Classifying Igneous Rocks

Define the following:

Felsic-

Mafic-

Ultramafic-

Porphyritic-

Pegmatite-

Kimberlite-

Answer the following:

1. Describe the difference between felsic, mafic, and ultramafic.

2. How does the rate of cooling affect the grain size of an igneous rock?

3. Describe some uses of an igneous rock.

Do p. 113 SECTION ASSESSMENT

1.

2.

6.