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18 Cards in this Set
- Front
- Back
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Force
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A natural power that acts on an object.
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Gravity
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The force that makes objects fall toward Earth's center.
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Particle
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A very small fragment of a much larger object.
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Seismic waves
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A wave of energy passing through Earth, caused by an eathquake.
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Pressure
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A result from a force pressing on an area.
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Crust
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The layer of rock that forms Eath's outer layer.
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Basalt
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A dark, fine-grained rock.
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Granite
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A rock that is usually a light color and has coarse grains.
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Mantle
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A layer of the Earth's surface, lying just below the crust and above the inner core.
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Lithosphere
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Outermost layer of Earth's surface, which is rocky and solid; includes the crust and the rigid part of the upper mantle.
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Asthenosphere
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Layer in the upper part of the Earth's mantle that is made of material that can be reshaped and deformed, and on which the continents move.
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Outer Core
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A layer of molten metal surrounding the inner core.
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Inner Core
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A dense ball of solid metal, with extreme pressure which squeezes the atoms of iron and nickel so much so they can not spread out to become liquid.
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Radiation
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Transfer of energy in the form of electromagnetic waves; also high energy particles and rays emitted from the nuclei of radioactive elements.
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Convection
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Transfer of thermal energy in a fluid (liquid or gas), in which warmer fluid rises and coller fluid sinks in a convection current.
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Conduction
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Transfer of heat from a warmer substance to a cooler substance through direct contact.
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Density
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Measures how much mass there is in a given volume of a substance.
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Convection current
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Warmer fluid rises and cooler fluid sinks.
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