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10 Cards in this Set
- Front
- Back
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Thermometer |
an instrument used to measure temperature |
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Barometer |
an instrument used to measure air pressure |
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Rain Gauge |
an instrument used to measure the amount of precipitation in a certain amount of time |
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Hygrometer |
An instrument used to measure the amount of humidity or water vapor in the air. |
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Wind Vane |
Instrument used to measure wind direction |
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Anemometer |
an instrument used to measure wind speed |
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Rain may fall soon if |
if the air cools down during the day or warms up in the evening. |
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What happens when a change in air pressure occurs |
the weather is about to change |
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What happens when a change in wind speed occurs? |
the weather is about to change. |
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What happens when you see an increase in humidity? |
Its about to rain. |
