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Science

Science 2

TermDefinition
Fault A huge crack in the Earth's crust at or below the surface, the sides of which may show evidence of motions.
Focus The point where an earthquake starts as rock begins to slide past each other.
Seismic Wave A vibration that spreads out away from a focus when an earthquake happens.
Epicenter The point on Earth's surface directly above the focus of an earthquake.
Aftershock Shaking of the Earth's crust after the initial shaking of an earthquake.
Seismograph A sensitive device that detects the shaking of Earth's crust during an earthquake.
Magnitude The amount of energy released by an earthquake.
Vent A central opening in a volcanic area through which magma may escape.
Lava Magma that reaches the Earth's surface and flows out of a vent.
Crater A cup-like hollow that forms at the top of a volcano around the vent.
Hot Spot A very hot part of the Earth's mantle, where magma can melt through a plate moving above it.
Cinder-Cone Volcano A steep-sided cone that forms from explosive eruptions of hot rocks, ranging from particles to boulders.
Shield Volcano A wide, gently sloped cone, that forms from flows of lava.
Composite Volcano A cone that forms from explosive eruptions of hot rocks followed by a flow of lava.
Geothermal Energy Heat from below the Earth's surface.
Freezing Changing from a liquid to a solid.
Evaporation Changing liquid to gas.
Energy The ability to move matter.
Kinetic Energy Energy in a moving object.
Potential Energy Energy stored in a object.
Temperature Average kinetic energy of molecules which tells us how hot or cold something is.
Heat A form of energy that flows between two objects that have different temperatures.
Radiation Transfer of energy by electromagnetic waves.
Conduction Movement of energy through direct contact.
Convection Transfer of energy by flow of a liquid or gas.
Insulation Preventing heat from flowing in or out of a material.
Thermal Expansion Matter expands when the temperature is raised.
Pressure The force on each unit of area of a surface.
Melting Changing a solid to a liquid.
Condensation Changing from a gas to liquid.
Forms of Energy Solar, wind, geothermal, nuclear, and hydroelectric.
Solar Cell Captures sunlight to make energy.
Hydroelectricity Energy from falling water.
Nuclear Energy Energy from atoms colliding or being split apart.
Wind Energy Energy collected from big turbines standing tall.
Created by: 17frichardson
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