Clouds
Water cycle
Instruments
Severe Weather
General
100
are made of tiny droplets of water that have been condensed from water vapor
What are clouds
100
examples are rain, sleet, snow and hail
What is precipitation
100
measures air temperature
What is thermometer
100
form when warm air rises over cold air and cools rapidly creating cumulonimbus clouds
What is thunderstorm
100
measures amount of precipitation
What is rain gauge
200
clouds that form in layers and signify steady rain
What are stratus clouds
200
the never ending movement of Earth's water
What is the water cycle
200
measures air pressure
What is barometer
200
form in warm warm moist air masses above warm ocean waters; the center is called the eye
What is hurricane
200
caused by the uneven heating of the earth
What is wind
300
clouds that are puffy like cotton and signify clear weather
What are cumulus clouds
300
occurs when the water particles change from a liquid to a gas and then rise in the atmosphere
What is evaporation
300
measure wind direction
What is wind vane
300
sometimes called twisters and are columns of dark, spinning, twisting air; forms over land
What is a tornado
300
average weather for a long period of time at a certain place
What is climate
400
wispy clouds made of ice crystals and signify clear, cool weather
What are cirrus clouds
400
when water vapor cools and changes from a gas to a liquid
What is condensation
400
measures humidity or water vapor in the air
What is hygrometer
400
forms as a result of an earthquake under the ocean
What is tsunami
400
large masses of air with nearly the same temperature and moisture
What is air mass
500
clouds that are fluffy and dark and usually bring thunderstorms and heavy rain
What are cumulonimbus clouds
500
the part of the water cycle where water gathers and waits to evaporate
What is collection
500
measures wind speed
What is anemometer
500
form when the earth's plates rub back and forth against each other and create energy; the energy is released in waves causing the earth to move
What is an earthquake
500
when two air masses collide or meet
What is front
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