Weather Instruments – measuring rain, wind, and the temperature!
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Transcript of Weather Instruments – measuring rain, wind, and the temperature!
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Weather Instruments –
measuring rain, wind, and the temperature!
By: Matt Hoffman2nd gradeAccawmacke Elementary
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Weather vane
What is the name of a simple device that lets us know which way the wind is blowing?
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Weather vanes
• Measure wind speed (how strong the wind is)
• Faster it spins, the stronger the wind!
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Older weather vanes
Could only show which way the wind was blowing
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Weather vanes for decoration!
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A different kind of weather vane• They call it a “wind
sock”!• Found at airports
quite often• Mostly for telling wind
direction• Can tell if the wind is
strong or weak, but can not give the exact speed
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Wind socks!
• They are also used for decoration, like weather vanes
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ThermometerWhat is the name of
the device that is used to measure temperature?
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Thermometer
• Measures temperature
• Degrees Fahrenheit (32-212)
• Degrees Celcius (0-100)
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Thermometers
• Colored alcohol in them
• Rises when it heats up, goes down when it gets cold
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Different than thermometers doctors use…
• Both measure temperature!
• Their thermometer is much more sensitive
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Worlds tallest thermometer!
• 134 feet high
• In southern California – the hottest temp. it ever measured was 134 degrees!
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Rain gauge
• Measures how much rain fell
• Like a ruler attached to a big, clear cup!
• Can tell if it may flood soon
• Farmers need to know how the soil is (too wet or too dry)
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What the rain gauge is for…• Can tell if it may flood
soon• Farmers need to
know how the soil is (too wet or too dry)
• People need to know when to water their plants
• Too much rain causes erosion
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Weather balloonWhat is the name of
the device that is sent high into the atmosphere to measure temperature, wind speed, air pressure, and other things?
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Weather Instrumentsand what they measure
• Weather vane – wind speed and direction• Wind sock – wind direction• Thermometer – air temperature• Rain Gauge – amount of rain that fell