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PT & RC Vocab 1

Review of vocab

TermDefinition
earthquake happens at plate boundaries when rock breaks or hits causing shaking and trembling of the ground
plates huge, irregularly-shaped pieces of Earth's crust
bedrock solid pieces of rock found below the soil or water on Earth's surface; creates the Earth's crust
sediment broken pieces of rock formed by weathering
deposits large quantities of valuable materials inside bedrock
igneous rock rock formed when magma or lava cools and hardens
sedimentary rock rock formed when layers of sediment solidify sometimes preserving a fossil inside
metamorphic rock rock formed by extreme heat and pressure deep in the mantle
fault line a break in Earth's crust formed at the plate boundaries
crust the outer layer of earth that consists of sediment on the surface and bedrock beneath the surface
mantle the middle layer of earth where the bottom part of the bedrock creeps and magma pockets may form
creep the slow movement of rock in the lower mantle
magnitude the strength of an earthquake
correlation a relationship that exists when two things happen at the same time but one does not cause the other
causation a relationship that exists when one thing causes another to happen
epicenter the point on Earth's surface directly above the focus of an earthquake
focus the place inside earth's crust where an earthquake originates
volcano a break in earth's crust that lets magma reach the surface
earthquake depth the distance beneath earth's surface (into the bedrock) that the earthquake originates
Created by: user-1491728
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