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Chapter 2 Weather Factors Everett
Chapter 2 Weather Factors Everett 2012
40
Science
6th Grade
02/08/2012

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Term
Wavelengths of violet light are LONGER than
Definition
wavelengths of ultraviolet radiation
Term
The freezing point of water on the Celsius scale
Definition
0 degrees
Term
Fluids like air tend to move toward areas of
Definition
LOW pressure
Term
Local winds blow over areas of SHORTER distance than
Definition
global winds
Term
Earth's major wind belts are the trade winds, prevailing westerlies and the
Definition
polar EASTERLIES
Term
An example of conduction
Definition
When you touch a hot spoon to your hand
Term
Three main types of clouds are cumulus, stratus, and
Definition
Cirrus
Term
Most of the world receives MORE
Definition
rain than snow
Term
Wavelengths that are a bit shorter than visible light are
Definition
Ultraviolet
Term
Infrared Radiation
Definition
Most of the energy that heats Earth's atmosphere
Term
The greenhouse effect
Definition
The process by which gases hold heat in the atmosphere
Term
Thermal energy
Definition
The total energy of motion in the molecules of a substance
Term
Example of Radiation
Definition
How heat from a campfire reaches you
Term
Convection takes place because
Definition
cold air is more dense than warm air
Term
Winds are caused by differences in
Definition
air pressure
Term
Local winds differ from global winds because
Definition
they are caused by unequal heating within a SMALL area
Term
Doldrums
Definition
Weak winds
Term
Horse Latitudes
Definition
Located about 30 degrees North and South Latitudes
Term
Clouds form when water vapor in the air
Definition
becomes liquid water or ice crystals
Term
Cumulonimbus clouds
Definition
Large clouds that often produce thunderstorms
Term
Cirrus Clouds
Definition
Very high feathery clouds
Term
Precipitation
Definition
Any form of water that falls from clouds
Term
Difference between sleet and hail
Definition
Where ice pellets form and Size of ice pellets
Term
Conduction
Definition
Heat transfer between two substances that are TOUCHING
Term
Anemometer
Definition
Used to measure wind speed
Term
Global winds
Definition
blow from a specific direction over LONG distances
Term
Coriolis Effect
Definition
Earth's rotation makes winds seem to curve
Term
Energy travels through space to Earth in the form of
Definition
Electromagnetic waves
Term
Convection
Definition
how most of the heating of the troposphere occurs, transfer of heat by fluid movement
Term
wind
Definition
caused by uneven heating of the atmosphere which leads to differences in air pressure
Term
wind chill factor
Definition
increased cooling that can make the air feel cooler than the measurement on the thermometer
Term
Condensation
Definition
Clouds form when water vapor in the air becomes liquid water
Term
Cumulus clouds
Definition
Clouds that form near the ground and look like fluffy heaps of cotton
Term
Stratus clouds
Definition
Flat, layered clouds that can cover most of the sky
Term
Hail
Definition
Ice pellet larger than 5 millimeters in diameter that form during a thunderstorm
Term
Mist and drizzle are made of small
Definition
water droplets
Term
Sea breeze
Definition
wind comes from the sea, the water warms up more slowly, the wind blows toward the land because warm air rises over the land forcing cooler air from water under it.
Term
Land Breeze
Definition
Wind comes from the land. The wind blows toward the water because warm air rises over the water forcing cooler air from land under it. The land cools more quickly.
Term
Three ways heat is transferred
Definition
Radiation: Direct transfer of energy by electromagnetic waves (campfire). Conduction: Direct transfer of heat between substances TOUCHING (pancakes on gridle). Convection: Transfer of heat by the movement of FLUID (lava lamp).
Term
Chapter 2 Weather Mrs. Everett
Definition
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