Download Unit 4 Review Guide

Unit 4 Review Guide
Do not try to answer the questions on this paper… you do not have enough room
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What are the three layers of the Earth that are based on composition? Describe each layer.
What are the five layers of the Earth that are based on physical properties? Describe each layer.
How do continental and oceanic crust differ?
What composition layers make up the lithosphere? The asthenosphere?
Why is the outer core liquid? Why is the inner core solid?
Why is continental crust older than the oceanic crust?
What is the Moho line of discontinuity? What does it separate?
What else can seismic waves tell us about the physical layers of the Earth?
What creates our magnetosphere?
What is the core made of?
Where is the densest material found in our Earth?
The most abundant element in the crust is _______________________________.
The most abundant mineral in the crust are ________________________________.
What are the building blocks of minerals?
What are the five characteristics that define what a mineral is?
What are the eight properties that can be used to identify different minerals? Define each of the eight
properties.
Is ice a mineral? Why?
What are four ways minerals can be formed?
What are the six different mineral groups? Describe each group.
What type of mineral fizzes in the presents of an acid? Is magnetic? Feels soft and sort of greasy?
What are the three main types of rock groups?
What is the difference between magma and lava?
What are sediments?
How are igneous rock formed?
What are two types of igneous rock groups? Which group has rocks with large mineral grains?
Which igneous rock group do obsidian and pumice belong to?
How do clastic sedimentary rocks form? Define weathering, erosion, deposition, compaction, cementation, and
lithification in your answer.
What is another process that can form sedimentary rocks? (think limestone)
How are metamorphic rocks formed?
What are two types of metamorphism that can produce metamorphic rocks? Which produces the greatest
volume of metamorphic rocks?
Which two rock types are formed using energy from the interior of the Earth?
Which rock type is formed using energy from the Sun?
Make sure to look at your rock cycle diagrams!
What is mechanical weathering and how is it different from chemical weathering?
Which three processes can lead to mechanical weathering? Explain each.
What are two factors that can lead to an increase in the weathering of rocks?