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11 Cards in this Set
- Front
- Back
- 3rd side (hint)
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What is pressure caused by? |
A force that presses or pushes againsf an object |
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Pressure increases if the _________ applied increases of the area it is acting on __________ |
- Force - Decreases |
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What is the unit of pressure? |
- Pascal (Pa) - Newton per metre squared (N/m2) |
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What does the pressure in a fluid increase with? |
Depth |
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What exerts an enormous amoung of pressure on the earth? |
The atmosphere |
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When does atmospheric pressure decrease? |
As the height above sea level increases |
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What instrument is used to measure atmospheric pressure? |
Barometer |
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What measures heights above sea level? |
Altimeter |
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What is the normal atmospheric pressure? |
1013 hectopascals |
Its a number |
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What weather will areas of high atmospheric pressure usually have? |
Clear, dry and settled weather |
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What weather does low atmospheric pressure result in? |
Windy, cloudy, wet weather |
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