Download Volcanic Eruptions and Landslides Test Study Guide

Name: ________________________________ Period: _____ Date: _______________
Earth and Space Science Course 320
Study Guide for Volcanoes and Weathering Test
Section 1: Volcanic Eruptions and Igneous Rocks
Know:
 The locations where volcanic activity is often found.
 How a volcanic eruption is affected by magma composition, magma temperature, and the amount
of dissolved gases in the magma.
 The two types of magma
 What determines the explosive power of a volcanic eruption.
 What determines the shape of a volcanic cone
 The characteristics of the three types of volcanoes.
 The five volcanic materials (hazards), how they can be generated, and their effects on humans
and the environment.
 What determines the grain size in an igneous rock.
 The various types of igneous textures and the rate of cooling that produce these textures.
 The two types of igneous rocks, where they form, and what they form from.
***Be able to identify two unknown igneous rock samples based on texture and color properties.***
Section 2: Weathering, Erosion, and Sedimentary Rocks
Know:
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The difference between physical weathering and chemical weathering.
Examples of each of the types of physical and chemical weathering.
The climate with the highest rate of weathering.
The definition of erosion and deposition.
The four agents of erosion.
How sediments are deposited by size.
The three types of sedimentary rocks.
How to tell the difference between conglomerate and breccia sedimentary rocks.
***Be able to identify two unknown sedimentary rock samples as discussed in lab***
Key Terms
Volcano
Magma
Lava
Viscosity
Felsic magma
Mafic magma
Pyroclastic materials
Pyroclastic flow
Lahar
Shield cone
Cinder cone
Composite cone
Igneous rocks
Intrusive igneous rocks
Extrusive igneous rocks
Weathering
Physical weathering
Ice wedging
Abrasion
Chemical weathering
Oxidation
Carbonation
Erosion
Deposition
Sediments
Sinkhole
Glacier
Landslide
Sedimentary rock
Clastic sedimentary rock
Chemical sedimentary rock
Organic sedimentary rock
Extra Credit Questions for Volcanoes and Weathering Test
1. What is the difference between mafic and felsic magma?
2. What is a pyroclastic flow and a lahar?
3. What is generally the most dangerous volcanic hazard?
4. Briefly describe the three types of volcanic cones.
5. What is the difference between intrusive and extrusive igneous rocks?
6. What determines the size of crystals in igneous rocks?
7. What is weathering?
8. Describe the difference between physical and chemical weathering.
9. What type of climate would have the highest rate of weathering?
10. What are the four agents of erosion?
11. How does a chemical sedimentary rock form?
12. Why are sedimentary rocks important to understanding Earth?