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Weather
Chapter 14 & 15
36
Science
6th Grade
03/06/2008

Additional Science Flashcards

 


 

Cards

Term

 

 

eletromagnetic waves

Definition

 

 

form of energy that can travel through space

Term

 

 

 

radiation

Definition

 

 

direct transfer of energy by electromagnetic waves

Term

 

 

infrared radiation

Definition

 

 

form of energy with wavelengths that are longer than visible light

Term

 

 

ultraviolet radiation

Definition

 

 

 

has wavelengths shorter than violet light

causes sunburn and skin cancer

Term

 

 

scattering

Definition

 

 

 

reflection of light in all directions

Term

 

 

 

greenhouse effect

Definition

 

 

 

process of gases that hold heat in the air

Term

 

 

thermal energy

Definition

 

 

 

total energy in motion in molecules of a substance

Term

 

 

 

temperature

Definition

 

 

 

measure of how hot or cold of a substance

Term

 

 

 

thermometer

Definition

 

 

 

a glass tube with a bulb on the end with liquid like mercury

Term

 

 

 

heat

Definition

 

 

 

movement of thermal energy from one substance to another

Term

 

 

 

conduction

Definition

 

 

 

transfer of heat through direct contact

Term

 

 

 

convection

Definition

 

 

transfer of heat by the moevment of fluid

Term

 

 

 

wind

 

Definition

 

 

horizontal movement of air from high to low pressure areas

Term

 

 

 

anemometer

Definition

 

 

 

how wind speed is measured

Term

 

 

 

wind-chill factor

Definition

 

 

 

wind cause by increase of cooling

Term

 

 

 

local wind

Definition

 

 

 

wind blows short distances

Term

 

 

 

sea breeze

Definition

 

 

 

 

wind blown over land over lake or ocean 

Term

 

 

 

land breeze

Definition

 

 

 

air from land to a body of water

Term

 

 

 

monsoons

Definition

 

 

 

sea and land breeze over a large region that changes directions

Term

 

 

 

global wind

Definition

 

 

 

winds blow steady from certain directions over long distances

Term

 

 

 

coriolis effect

Definition

 

 

 

earth's rotation makes winds curve

Term

 

 

 

latitidude

Definition

 

 

 

distance from the equator measured in degrees

Term

 

 

 

jet stream

Definition

 

 

 

bands of high speed winds

Term

 

 

 

air mass

Definition

 

 

 

huge body of air that has similar tempature, humidity and air pressure

Term

 

 

 

tropical

Definition

 

 

 

air masses form in the tropics

Term

 

 

 

polar

Definition

 

 

 

air mass formed north 50 degrees south 50 degrees latitude

Term

 

 

 

maritime

Definition

 

 

 

air masses formed over oceans

Term

 

 

 

continental

Definition

 

 

 

air masses form over land in the middle of continents and are dry

Term

 

 

 

front

Definition

 

 

 

air masses meet and do not mix

Term

 

 

 

occluded

Definition

 

 

 

warm air mass cut off from the ground

Term

 

 

cyclone

Definition

 

 

 

center of low air pressure that swirls

Term

 

 

 

anticyclones

 

Definition

 

 

 

high pressure centers of dry air

Term

 

 

 

meterologist

Definition

 

 

scinetist that studys the causes of weather and try to predict it

Term

 

 

 

el nino

Definition

 

 

 

warm water event in the pacific oceam

Term

 

 

 

isobar

Definition

 

 

 

lines joining places on the map with the same air pressure

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