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50 Cards in this Set

  • Front
  • Back
What is weather?
The condition of the air around us
The condition of the weather over a 30 year span?
Climate
A warm front forms what kinds of clouds?
Stratus
The area of the Midwest that receives so many tornadoes each year is called?
Tornado Alley
Towering, thunderhead clouds are called?
Cumulonimbus
What is thunder?
The sound of air rapidly expanding after the discharge of lightning.
The title of a weather forecaster?
Meterologist
Layered clouds that form low?
Stratus
Feathery clouds that form high in the atmosphere?
Cirrus
Clouds that form low to the ground?
Fog
How is the rain formed?
Water drops form on dust particles forming clouds. Once these water drops become heavy enough, they fall.
Which is larger - a hurricane or a tornado?
A Hurricane
What causes wind?
Differences in temperature and wind pressure
What is the watercyle?
The processes of evaporation, condensation, precipitation, and accumulation that the Earth's water continuously undergoes.
What is a tornado?
A thunderstorm whose winds become so rapid that the cloud drops and touches the ground traveling in paths along the earth.
When it is summer in the Southern Hemisphere, it is what in the Northern Hemisphere?
Winter
What do we call ice balls that rain from the skies?
Hail
What is the name of the atmosphere layer that weather occurs in?
Troposphere
Name the seven colors of the rainbow in order.
Red, orange, yellow, green, blue, indigo, violet
Remember: Roy G. Biv
What do we call long periods without rain when plant life and/or animal life begins to die?
Drought
The measure of moisture in the air is called?
Humidity
What is a hurricane?
A large rotating storm with very high winds that form over oceans.
What is the greenhouse effect?
The Earth's atmospher acts like a blanket trapping in the sun's heat.
What are clouds made of?
Dust and water drops
How many layers does the atmosphere have?
Four
How are rainbows formed?
Sunlight bends in raindrops projecting broken light rays.
What is wind?
Moving air
Name the four seasons.
Spring, summer, winter, fall
What does nimbus mean?
Rain
What is the name of the scale used to classify wind speeds?
Beaufort Scale
What is the most abundant gas in the air?
nitrogen
Which causes the most damage - a hurricane or tornado?
Tornado
Is the air warmer or cooler as you go up the troposphere?
Cooler
Clouds that form low and bring rain?
stratus
What is the atmosphere?
The air that surrounds the Earth.
The three properties of air are?
Mass, weight, and exerts pressure
Is air pressure greater near the sea or on a mountain top?
Near the sea
Oxygen and nitrogen gases make up a clear mass that we call?
Air
What does evaporation mean?
Water heats up and turns to water vapor or steam.
White, fluffy clouds are called?
Cumulos
What instrument is used to measure wind speed?
Anenometer
The process of the water cycle where the clouds form is called?
Condensation
Does air pressure rise or drop before a storm?
Drop
Static electricity in clouds is called?
Lightning
What instrument measures air pressure?
Barometer
The process of the water cycle where water vapor rises from oceans and streams?
Evaporation
The process of the water cycle where rain, snow, sleet, or hail falls.
Precipitation
Two out of 100 thunderstorms turn into?
Tornadoes
The process of the water cycle where precipitation begins pooling into rivers and oceans?
Accumulation
A cold front forms what kind of clouds?
Cumulonimbus