A's
B's
C's
D's
E's
100
Abrasion is the grinding and wearing away of rock surfaces through the mechanical action of other rock or sand particles.
What is Abrasion
100
Barometer is an instrument that measures atmospheric pressure.
What is Barometer
100
Caldera is a large semicircular depression that forms when the magma chamber below a volcano.
What is Caldera
100
Day is the time required for earth to rotate once on it axis.
What is Day
100
Eclipse is an event in which the shadow of one celestial body falls on another.
What is Eclipse
200
Absolute Dating is any method of measuring the age of an event or object in years.
What is Absolute Dating
200
Beach is an area of the shoreline made of up material deposited by waves.
What is Beach
200
Cast is a type of fossil that forms when sediments fill in the cavity left by a decomposed.
What is Cast
200
Deep Current is a streamlike movement of ocean water far below the surface.
What is Deep Current
200
Element is a substance that cannot be separated or broken down into simpler substances by chemical means.
What is Element
300
Absolute Magnitude is the brightness that a star would have at a distance of 32.6 light-years from earth.
What is Absolute Magnitude
300
Bedrock is a layer of rock beneath soil.
What is Bedrock
300
Channel is the path that a stream follows.
What is Channel
300
Deflation is a form of wind erosion in which fine, dry soil particles are blown away.
What is Deflation
300
Equator is the imaginary circle halfway between the poles that divides the Earth into the into the Northern and Southern Hemispheres.
What is Equator
400
Abyssal Plain is a large, flat, almost level area of the deep-ocean basin.
What is Abyssal Plain
400
Benthic Environment is the region near the bottom of a pond, lake, or ocean.
What is Benthic Environment
400
Chemical Weathering is the process by which rocks break down as a result of chemical reactions.
What is Chemical Weathering
400
Delta is a fan-shaped mass of material deposited at the mouth of a stream.
What is Delta
400
Era is a unit of geologic time that includes two or more periods.
What is Era
500
Acid Precipitation is rain, sleet, or snow that contains a high concentration of acids.
What is Acid Precipitation
500
Benthos is the organisms that live at the bottom of the sea or ocean.
What is Benthos
500
Cleage is the slitting of a mineral along smooth flat surfaces.
What is Cleage
500
Density is the ratio of the mass of a substance to the volume of the substance.
What is Density
500
Erosion the process by which wind, water, ice, or gravity transports soil and sediment from one location to another
What is Erosion
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