What is the driving force of the Earth's water cycle?
The sun
Gray clouds that cover the lower part of the sky; rain or snow falls from them
What are stratus clouds?
The state of the air at a certain time and place
What is weather?
Most common type of storm
What is a thunderstorm?
What instrument is used to measure air pressure?
What is a barometer
The process of water changing into an invisible gas called water vapor
What is evaporation?
White, puffy clouds that look like piles of cotton; they are known as fair-weather clouds
What are cumulus clouds?
Scientists who study weather
Who are meteorologists?
Spinning cloud with a funnel shape
What is a tornado?
What tool is this?
Sling Psychrometer
Amount of water vapor in the air
What is humidity?
Thin, feathery clouds that appear high in the sky; they are a sign that rain or snow is on the way
What are cirrus clouds?
Instrument that shows wind direction
What is a wind vane?
Large, powerful storm that occurs over large bodies of water
What is a hurricane?
What tool is this and what does it measure?

Anemometer, it measures wind SPEED
The process of water vapor turning into water droplets
What is condensation?
Cloud that forms at the earth’s surface
What is fog?
Measures wind speed
What is an anemometer?
Water overflow that is caused by a large amount of rainfall
What is a flood?
What tool is this and what does it measure?

Rain guage, it measures how much rain has fallen.
Water that falls to Earth as rain, snow, freezing rain, sleet, or hail
Precipitation
Tall, dark clouds that mean thunderstorms with heavy rain and strong winds
What are cumulonimbus clouds?
The weather of a place over a long time
What is climate?
A front formed when a warm air mass slides up and over a cold air mass
Warm Front
What tool do meteorologists use to collect weather data. (It circles the Earth)
Satellite