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2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt Lesson 1 Lesson 2 Lesson 3 Lesson 4 Lesson 5
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The Earth’s thinnest and outer most layer
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What is the crust?
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Thickest of all the layers
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What is the mantle?
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The two crust that make up the outer most layer
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What is Oceanic and Continental Crust?
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Solid iron ball caused because of extreme heat and pressure
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What is the Inner Core?
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Layer made up of liquid iron and nickel
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What is the Outer Core?
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Earthquakes cause ________ and ___________
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What is Landslides and Tsunamis?
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These are cracks in the Earth’s crust where surrounding rock has moved, earthquakes commonly occur at these
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What are Faults?
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where cooler rock pushes the hotter rock upwards, pushing and pulling on the mantle
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What are Convection Currents?
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When two plates collide, one or both plates fold, tilt, and lift to form mountains – made from converging plates.
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What is how do mountains form at plate boundaries
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Converging or colliding plate - plates collide and tilt to form mountains. Spreading plates – plates move apart. Sliding plate boundary – plates slide past each other.
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What are the different plate boundries?
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a slow process that breaks rocks into smaller pieces
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What is weathering?
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Plant roots split a rock. Changes in pressure cause cracks in rocks. Ice forming in the cracks of rocks cause it to split
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What are forms of Mechanical Weathering?
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Layers of Soil
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What is Top Soil, Sub Soil, and BedRoc k ?
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Rocks are broken down by the actions of chemicals.
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What is Chemical Weathering?
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a mixture of sediment, decayed material, gases, and water.
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What makes up Soil?
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Is the movement of sediments and materials away from one place. It is a destructive process.
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What is Erosion?
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Is the placing of the materials in a new place. It is a constructive process.
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What is Deposition?
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Larger sediments are deposited as the river slows down.
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What is how deltas are formed?
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large deposits of loose sand. A steady wind blowing across sand will pick up and deposit it in another area.
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What is a Sand Dune?
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Shelter belts – rows of tall trees are planted along the edges of fields. 2.Some farmers don’t plow. The soil stays in larger clumps so it won’t blow away.
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What are preventions of Field Erosion?
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formed when melted rock cools and hardens, may or may not form crystals.
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What is Igneous Rock?
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form when layers of materials and rock particles settle on top of each other and then harden.
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What is Sedimentary Rock?
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Heat and pressure cause particles inside the rock to take on different arrangements, changing the properties of the rock
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What is Metamorphic Rock?
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how it feels, smooth, sandy, waxy, sticky.
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What is Texture?
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Rocks are constantly being formed and destroyed. Rocks can change from one kind to another in any order, or stay the same for millions of years.
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What is the Rock Cycle?
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