Instruments
It measures the humidity which is the amount of water vapor in the air.
What is a hygrometer?
Puffy, gray clouds that form in groups.
What are altocumulus clouds?
Warm air rises and cold air sinks.
What is wind is formed?
It measures the direction of the wind.
What is a wind vane?
Thin, wispy clouds made of ice crystals.
What are cirrus clouds?
They are made of tiny drops of water and tiny pieces of ice.
What are clouds?
It measures the speed of the wind.
What is an anemometer?
White, puffy clouds that look like cotton.
What are cumulus clouds?
They are the most common storms. They happen when warm, wet air hits cold, dry air.
What are thunderstorms?
It measures the temperature.
What is a thermometer?
Puffy and gray clouds that form in rows with blue sky between them.
What are stratocumulus clouds?
It is formed when wind blows ice crystals down and up inside a cloud, over and over.
What is hail?
It measures the amount of precipitation that has fallen.
What is a rain gauge?
Solid, gray clouds that usually cover the whole sky.
What are stratus clouds?
It is used to measure air pressure.
What is a barometer?