Chapter 5

Question 1

Igneous rock

Answer 1

Rocks that are solidified magma

Question 2

Lava

Answer 2

Magma that’s not underground

Question 3

Extrusive

Answer 3

Igneous rocks that cool on earth’s surface

Question 4

Intrusive

Answer 4

Igneous rocks that cool below earth’s surface

Question 5

Partial melting

Answer 5

The process where some minerals melt while others remain solid

Question 6

Fractional crystallization

Answer 6

The process where different minerals form at different temperatures

Question 7

Bowen’s reaction series

Answer 7

The thing that describes the relationship between cooling magma and mineral formation

Question 8

Felsic rocks

Answer 8

Light colored rocks that contain Quartz and have high silica contents

Question 9

Mafic rocks

Answer 9

Dark colored rocks that have lower silica contents and have lots of iron and magnesium

Question 10

Ultramafic rocks

Answer 10

Rocks that have low silica contents and very high levels of iron and magnesium

Question 11

Porphyritic texture

Answer 11

Large crystals surrounded by smaller crystals

Question 12

Pegmatites

Answer 12

A vein with extremely large grained minerals

Question 13

Kimberlites

Answer 13

A rain ultramafic rock, named after Kimberly Africa where they were first identified