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Weather Conditions-science > Weather > Flashcards

Weather Flashcards

1
Q

Temperature

A

Average kinetic energy of a body

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2
Q

Thermal insulator

A

A material that reduces or prevents transfer of heat

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3
Q

Thermal conductor

A

A material through which energy can be transferred as heat

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4
Q

Convection

A

Transfer of thermal energy by the circulation or movement of a liquid or gas

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5
Q

Troposphere

A

Life, weather, 75% (mass) of atmosphere

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6
Q

Stratosphere

A

Ozone layer, 24% of the atmosphere

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7
Q

Mesosphere

A

Cold, few molecules, where shooting stars burn up

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8
Q

Thermosphere

A

Fewer particles, large temperature fluctuations

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9
Q

Exosphere

A

Occasional molecules

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10
Q

Phase diagram

A

Shows pressure and temperature at which water is stable

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11
Q

Atmospheric pressure

A

The force per unit area exerted by the particles in the atmosphere

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12
Q

Relative humidity

A

Amount of water vapor present in air

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13
Q

Wind Chill

A

How cold a day feels, function of temperature of wind

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14
Q

Heat Index

A

How hot a day feels, function of temperature of humidity

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15
Q

Dew

A

Water in the form of droplets that occurs in the morning and evening

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16
Q

Dew Point

A

The temperature at which air must be cooled without changing the pressure in order to form dew

17
Q

Convergence

A

Air being pulled towards middle, forced to rise (upward)

18
Q

Heat

A

Energy transferred between objects with difficult temperatures

19
Q

Orograpic Lifting

A

Air is forced upward by a land form

20
Q

Frontal Lifting

A

Cold air and hot air combine and are forced upward

21
Q

Aneroid barometer

A

Measure atmospheric pressure. Expansion of air sack, higher pressure, sack sinks, less pressure

22
Q

Mercury barometer

A

Measures atmospheric pressure. Pressure being exerted on fluid itself

23
Q

Condensation

A

The change of water from its gaseous form (water vapor) into liquid water. Occurs when warm air rises, cools, and loses its capacity to hold water vapor. Excess water vapor condenses to form cloud droplets

24
Q

Evaporation

A

Occurs from the surface of a liquid into a gaseous phase that is not saturated with the evaporating substance

25
Q

Precicpitation

A

Any product of condensation that falls under gravity. Rain

26
Q

Kinetic-molecular energy

A

Used to explain behavior of gases

Weather Conditions-science (1 decks)

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