instruments
severe weather
forecasting
climate
currents & air masses
100
This instrument measures temperature.
What is a thermometer?
100
A column of wind lifted up on one end by upward winds and pushed downward on the other end by downward wind.
What is a tornado?
100
An "H" on a weather map means this.
What is high pressure?
100
Average yearly temperature & average yearly precipitation help determine this.
What is climate?
100
Convection currents form because of this.
What is when air temperatures are different.
200
This instrument measures wind speed.
What is anemometer?
200
A huricane gets its energy from this.
What is warm ocean water?
200
Winds move this direction in the U.S.
What is west to east?
200
The Gulf Stream and the North Atlantic Drift currents affect the weather in Europe in this way.
What is cause temperatures to be warmer?
200
A continental polar air mass is found here.
What is over land & near the poles.
300
This instrument measures air pressure.
What is barometer?
300
This means severe thunderstorms have already formed.
What is a severe thunderstorm warning?
300
This causes precipitation along a front.
What is warm air rising?
300
Temperature, precipitation, wind speed & direction, air pressure, humidity....all determine this every moment.
What is weather?
300
A maritime tropical air mass has this kind of air in it.
What is mosit & warm?
400
This instrument measures moisture in the air.
What is hygrometer?
400
Between hurricanes & tornados, one storm is more destructive than the other.
What are hurricanes?
400
Air pressure does this as you move higher above the earth.
What is decrease?
400
A scientist can learn this about the past if they found a fossil of a fish in a desert.
What is that the desert had a wet climate in the past?
400
This temperature of air is heavier.
What is cold air?
500
This instrument helps us see wind patterns & precipitation inside a storm.
What is radar?
500
You should do these three things to prepare for a hurricane.
What is follow directions from the Weather Service, evacuate, stay inside, board up windows, have food & fresh water, have flashlights, radio, & extra batteries, store valuables in waterproof containers up off the ground.
500
Winds generally move from areas of ______ pressure to _____pressure.
What is high to low?
500
There are several things scientists think may change climates. Name two.
What is volcanic eruptions, pollution, global warming, meteorites, changes in the sun's energy.
500
When warm air rises & cool air sinks, causing a circular motion of air movement, it is called this.
What is a convection current.
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