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29 Cards in this Set
- Front
- Back
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mass
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the amount of matter an object has
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volume
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the amount of space an object takes up
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meter
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base metric unit for measuring weight
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gram
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base metric unit for measuring mass
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liter
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base metric unit for measering liquid volume
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density
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the ratio of the mass of a substance to the volume of the substance
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how is density caculated?
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mass divided by volume
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atmosphere
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the mixture of gasses that sorround the Earth
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air pressure
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the amount of force when air molecuels pushing down on Earth's surface
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altitude
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how high an object is above the Earth's surface
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What is global warming?
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the increase in Earth's average temperature
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What creates wind?
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the movment of air caused by differences in air pressure
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What causes differences in air pressure?
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unequal heating of the Earth
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What is the coriolis effect?
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the curving effect due to Earth's rotation
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air mass
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a body of air when the moisture and temperature are similar
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front
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the boundry between air masses of different densities
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barometer
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measures atmospheric pressure
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anemometer
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measure wind speed
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severe weather
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can cause property damage and sometimes death
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what faactors can affect salinity?
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climate, water movement
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plankton
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float or drift freely example: phytoplankton, plant like and zooplankton, animal like
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nekton
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swim in the open ocean example: dolphin, whales, sea lions
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benthos
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live on the ocean floor examle: crabs and starfish
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ocean current
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a moement of the ocean water
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surface current
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a horizontal stream like movement that occur near the surface
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deep current
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a stream like current that happens below the surface
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tectonic plates
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pieces of the lithospher that move on the asthenosphere
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seismic waves
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the wave of energy from an earthquake that moves accros the Earth
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magnetic reversals
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when the Earths poles change places
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