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Unit 4 Test Review
Test Description: Unit 4: Layers of the Earth, Plate Tectonics, Soil Formation, Soil Stewardship
Instructions: Answer all questions to get your test result.
1) Which type of boundary creates folded mountain ranges?
A
convergent
B
transform
C
divergent
2) Which type of boundary creates faults and earthquakes?
A
Divergent
B
Transform
C
Convergent
3) The Earth's thickest layer
A
Mantle
B
Inner Core
C
Outer Core
D
Crust
4) The inner core is under extreme pressure making it
A
Plasma
B
Solid
C
Liquid
D
Gas
5) The reason the tectonic plates move
A
convection in the mantle
B
convection in the crust
C
conduction in the crust
D
conduction in the mantle
6) The basic components of soil are
A
Minerals, organic matter, water, air
B
Minerals, air, water
C
Rocks, air, water
D
Rocks and organic matter
7) The biggest part of soil is
A
Organic matter
B
Air
C
Rocks or minerals
D
Water
8) Permeable means
A
allows light to pass through
B
movement of rocks
C
breaking down of rocks
D
allows liquids or gasses to pass through
9) How are sedimentary rocks formed?
A
Heat and pressure
B
Cooling of magma
C
Soil formation
D
Tiny pieces of rock
10) Which types of rocks are made when magma or lava cools?
A
Sedimentary
B
Metamorphic
C
Igneous
D
Bedrock
11) The type of rocks made by heat and pressure
A
Intrusive Igneous
B
Sedimentary
C
Metamorphic
D
Extrusive Igneous
12) The idea of preserving and protecting soil
A
Soil conservation
B
Nutrient replenishing
C
Irrigation
D
Erosion
13) The process of breaking down rocks
A
Erosion
B
Farming
C
Weathering
D
lithification
14) Oxygen (chemical weathering) creates what on rocks?
A
Acids
B
Plant Growth
C
Lichens
D
Rust (reddish spots)
15) What layer of soil is humus most abundant?
A
Bedrock
B
Subsoil
C
Parent Material
D
Topsoil
16) How do earthworms, fungi and bacteria help with soil formation?
A
They are decomposers
B
They move parent material to the roots
C
They break up bedrock
D
Mix-up the soil
17) How does organic fertilizer benefit soil?
A
Adds more weathered rock to the soil
B
Adds water and air into the soil
C
Adds nutrients quickly
D
Adds nutrients slowly, but over a long period of time
18) What is the purpose of wind breaks?
A
To add nutrients to the soil
B
To add organic matter to the soil
C
To prevent animals from digging the soil up
D
To prevent soil erosion
*select an answer for all questions
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