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Science Chapter 4

TermDefinition
Core The solid, central part of earth that's located in the center.
Mantle The Thick Layer of solid and molten rock that surrounds the core.
Crust The thin layer of solid rock that makes up the ground we walk on.
Hydrosphere All of earth's liquid and solid water makes up this.
Landform A Physical feature on earth's surface.
Plate Tectonics The Theory by scientists that explains how forces deep within earth can cause seafloors to spread and Continents to move.
Fault Deep Cracks in earth's crust where rocks move in opposite directions while squeezing and scratching against each other. As a result of tension, the rocks quickly move apart, causing the ground to break apart. This causes an earthquake.
Magma Hot, Melted Rock.
Earthquake A Sudden movement of Earth's crust.
Focus The Point where an earthquake starts
Epicenter The point on earth directly above the focus of an earthquake.
Volcano An Opening in Earth's Crust where Lava flows.
Lava Hot, Melted Rock that reaches earth's surface.
Hot Spot A Location in the mantle where magma melts through a tectonic plate.
Weathering The process where rocks are broken down.
Erosion The process of carrying away soil of rock.
Glacier A large sheet of ice and snow that moves slowly over land.
Deposition The process of dropping off pieces of eroded rock.
Meander A gentle loop that forms in slow-moving water.
Sediment Particles of soil or rock that may be eroded or deposited.
Floodplain Land near a river that's likely to be under water during a flood.
Tsunami A series of huge waves caused by an under water earthquake or volcanic eruption.
Levee A wall or large mound of earth built along a river to prevent flooding.
Created by: Girly12345
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