The most abundant gas in our atmosphere is _____________________.
Nitrogen
This process is when water changes forms, and then cycles back between Earth's surface and the atmosphere.
Water Cycle
This tool is used to measure the temperature of the air.
Thermometer
This sever weather type comes with thunder, lightening, heavy rain, and strong winds.
Thunderstorm
Clouds represent what portion of the water cycle?
Condensation
What is the least abundant gas in our atmosphere?
Argon
This process is after condensation, when water falls from the atmosphere in various forms such as rain, hail, sleet, snow.
Precipitation

This tool is used to measure the amount of precipitation that has fallen form the atmosphere.
Rain Gauge
This severe weather comes with a funnel shaped cloud that comes down from a storm cloud with spinning winds at very high speeds.
Tornado
Thin, wispy clouds formed high in the sky and made of ice crystals are?
Cirrus Clouds
Oxygen
This phase of the water cycle occurs when liquid water on Earth becomes a gas called water vapor through the process of _______________.
Evaporation
This tool is used to measure the direction of the wind.
Wind vane
This severe weather forms over the warm ocean waters and has very strong winds that blow in a circular pattern around the center or eye of the storm.
Hurricane
These clouds appear to be layered in the sky, are associated with rain or drizzle and they often cover the sky. They are?
Stratus
How many layers are in our atmosphere?
5
This process happens when water vapor has risen into the atmosphere, cooled off, and become liguid water again.
Condensation

This tool is used to measure the wind speed in kilometers and mile per hour
Anemometer
You should stay out of the water, and do not stand under trees during this type of severe weather.
Thunderstorm
These clouds are white and puffy. They are flat on the bottom and they indicate fair weather.
Cumulus clouds
Name the layers of the atmosphere, in order.
Troposphere, Stratosphere, Mesopshere, Thermosphere
Name the steps of the water cycle in order
Evaporation, condensation, precipitation, run-off
This tool is used in space to gather and analyze data
Satellite
During this severe weather, you should find a safe place away from windows, lie flat in a ditch if you are outside, and do not stay in your car.
Tornado
These clouds are puffy and fat and when they are dark, they indicate thunderstorms coming. What are they called?
Cumulonimbus