Weather Instruments

Ms. Crider’s Class2nd Grade

April 2009

A THERMOMETER measures the air temperature. Most thermometers are closed glass tubes containing liquids such as alcohol or mercury. When air around the tube heats the liquid, the liquid expands and moves up the tube. A scale then shows what the actual temperature is.

Thermometer

A WIND VANE is an instrument that determines the direction from which the wind is blowing.

Wind Vane

A RAIN GAUGE measures the amount of rain that has fallen over a specific time period.

Rain Gauge

An ANEMOMETER measures wind speed. The cups catch the wind, turning a dial attached to the instrument. The dial shows the wind speed.

Anemometer

WEATHER MAPS indicate atmospheric conditions above a large portion of the Earth's surface. Meteorologists use weather maps to forecast the weather.

Weather Maps

WEATHER SATELLITES are used to photograph and track large-scale air movements. Then meteorologists compile and analyze the data with the help of computers.

Satellites

Time To Take A Quiz !!!

A. Satellite B. Rain Gauge C. Thermometer D. Anemometer

Which weather instrument would you use to tell your friend what the temperature is outside?

A. Wind Vane B. Rain Gauge C. Anemometer D. Thermometer

Which weather instrument would you use to find out how much rain has fallen this week?

A. Anemometer B. Wind Vane C. Satellite D. Thermometer

Your teacher asks you what the wind speed is. Which instrument would you use?

A. Rain Gauge B. Weather Map C. Satellite D. Anemometer

What does a meteorologist use to forecast the weather?

A. Weather Map B. Thermometer C. Satellite D. Wind Vane

This helps track large-scale wind movement.

A. Anemometer B. Rain Gauge C. Satellite D. Wind Vane

Which instrument helps tell which direction the wind is blowing?