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Ch 16 DC
Ch 16 DC
26
Science
8th Grade
03/28/2013

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Cards

Term
electromagnetic waves
Definition
energy that travels through space
Term
Radiation
Definition
The direct transfer of energy by electromagnetic waves
Term
visible light
Definition
a mixture of all the colors you see in a rainbow (red, orange, yellow, green, blue, and violet)
Term
Infrared Radiation
Definition
Form of energy with wavelengths that are longer in red light (NOT VISIBLE)
Term
Ultraviolet Radiation
Definition
Wavelengths that are shorter than violet light
Term
scattering
Definition
When light is reflected in all direction.
Term
The Greenhouse Effect
Definition
When gases form a blanket of heat around the Earth
Term
Thermal Energy
Definition
The TOTAL energy of motion in the molecules of a substance
Term
Temperature
Definition
the AVERAGE amount of energy
Term
Heat Transfer
Definition
Gases that the molecules move faster.
Term
air pressure
Definition
The force that causes air to move
Term
Fluids
Definition
move from high pressure to low pressure.
Term
Wind
Definition
the horizontal movement of air from an area of high pressure to low pressure
Term
a wind vane
Definition
Wind direction is determined with this.
Term
an anemometer
Definition
Wind speed is determined with this.
Term
local winds
Definition
Winds that blow over short distances
Term
sea breeze
Definition
Wind blown from a lake or ocean onto land
Term
a land breeze
Definition
The flow of air from land to a body of water
Term
Monsoons
Definition
Sea and land breezes over a large region that change directions with seasons
Term
Global Convection Currents
Definition
Temperature differences between the equator and poles
Term
Global Winds
Definition
Winds that blow steadily over a long distance in a specific direction
Term
Coriolis Effect
Definition
makes the winds blow in a curved line rather than a straight line.
Term
the trade winds
Definition
The major global wind belts
Term
Prevailing Westerlies
Definition
winds that blow toward the poles.
Term
Polar Easterlies
Definition
Cold air near the poles sink and flows back to lower latitudes.
Term
jet streams
Definition
About 10 Km above Earth’s surface are bands of high speed winds
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