These types of cloud are found at high altitudes, look wispy or feathery, are made of ice crystals and usually indicate fair or nice weather.

What is cirrus?
Liquid precipitation
What is rain?
The amount of water vapor in the atmosphere.
What is humidity?
The source of energy for the water cycle.
What is the sun?
Measures humidity.

What is a hygrometer?
These types of clouds look like puffy cotton balls. Generally, indicate fair or nice weather. Can form into rain clouds with enough condensation.

What is cumulus?
A type of solid precipitation that is solid from the cloud to the ground. Has a crystalline structure.
What is snow?
Atmospheric conditions as a given place and time.
Most of this process takes places over the oceans of the Earth. This process occurs at the surface of a liquid
What is evaporation?
Measures wind direction.

What is a weathervane or a wind vane?
These clouds from in flat layers and indicate steady, light rain.

What is the stratus?
A type of solid precipitation that forms when liquid precipitation refreezes before hitting the ground.
What is sleet?
The horizontal movement of air from higher pressure to lower pressure.
What is wind?
The process where a gas returns to liquid state. Can occur through removal of heat energy.
What is condensation?
Measures temperature.

What is a thermometer?
This type of precipitation is always formed in thunderstorms and almost always in warm weather.
What is hail?
This solid precipitation forms as a result of thunderstorms and the rapid vertical movement of air. It normally occurs in warm weather.
What is hail?
Average conditions of a long period of time. Usually over thirty years. Most often measured in average temperature and average precipitation.
What is climate?
Very small particles of water or ice.
What do clouds consist of?
Measures air pressure.

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What is Clouds?
This towering cloud produces thunderstorms. It can reach heights of 50,000 feet. Sometimes the tops look like an anvil head.
What is cumulonimbus?
The weight of the atmosphere on objects below on the Earth's surface. Measured in pounds per square inch. If this is dropping, bad weather is indicated. If it is rising or high, fair weather is expected.
What is pressure or atmospheric pressure?
Water that is not absorbed into the ground.
What is runoff?
Measures wind speed.

What is an anemometer?