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Weather Instruments

Weather Instruments. Ms. Crider’s Class 2 nd Grade April 2009. Thermometer .

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Weather Instruments

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  1. Weather Instruments Ms. Crider’s Class 2nd Grade April 2009

  2. Thermometer • 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.

  3. Wind Vane • A WIND VANE is an instrument that determines the direction from which the wind is blowing.

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

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

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

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

  8. Time To Take A Quiz !!!

  9. Which weather instrument would you use to tell your friend what the temperature is outside? • A. Satellite • B. Rain Gauge • C. Thermometer • D. Anemometer

  10. Which weather instrument would you use to find out how much rain has fallen this week? • A. Wind Vane • B. Rain Gauge • C. Anemometer • D. Thermometer

  11. Your teacher asks you what the wind speed is. Which instrument would you use? • A. Anemometer • B. Wind Vane • C. Satellite • D. Thermometer

  12. What does a meteorologist use to forecast the weather? • A. Rain Gauge • B. Weather Map • C. Satellite • D. Anemometer

  13. This helps track large-scale wind movement. • A. Weather Map • B. Thermometer • C. Satellite • D. Wind Vane

  14. Which instrument helps tell which direction the wind is blowing? • A. Anemometer • B. Rain Gauge • C. Satellite • D. Wind Vane

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