Weathering & Erosion | Mountains & Floods | Earth's Layers | Plate Tectonics | Earthquakes & Volcanoes |
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What is sediment?
Small pieces of rock
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What is reservoir?
An artificial lake where water collects
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What is the core?
Inner layer of the earth
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Who is Alfred Wegener?
A German scientist's theory was continental drift
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What is faults?
Cracks in the earth's crust where movement takes place
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What is mechanical weathering?
Breaking of larger rocks into smaller pieces
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What is 3 ways to control floods?
Storm drains, levees and dams
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What is the outer core?
Only layer that is a liquid
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What is sliding boundaries?
Plates slide past each other, moving in opposite directions
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What is magma?
Melted rock below the earth's surface
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What is deposition?
Dropping, or releasing, of sediments that have been moved from one place to another
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What is Fault-block mountains?
Form when blocks move in several ways along one or more faults
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What is crust?
The outer layer of the earth
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What is diverging boundaries?
Plates move away from each other, creates new crust
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What is the Ring of Fire?
The area where many earthquakes and volcanoes occur and it borders the Pacific Ocean
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What is chemical weathering?
Changes rocks into other materials (acid rain)
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What is Fold mountains?
Form when two plates collide and force layers into folds
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What is mantle?
The layer just below the earth's crust
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What is converging boundaries?
Plates move toward each other, subduction occurs
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What is lava?
Magma that reaches the earth's surface
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What is destructives forces?
Wear down Earth's surface
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What is Dome mountains?
Form when magma rises toward the surface but doesn't break through the crust
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What is lithosphere?
Upper part of the mantle joins with the crust
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What is a fossil?
Remains or traces of a plant/animal that lived a long time ago
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What is the Hawaiian Islands?
Islands formed by volcanoes
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