Term
| Gases and liquids both ____________? |
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| Name an instrument used for measuring the pressure of the atmosphere. |
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Definition
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Term
| How does a barometer work? |
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Definition
| The barometer balances when weight of liquid in the tube exerts the same pressure as the atmosphere outside. |
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Term
| How is a barometer similar to drinking through a straw? |
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Definition
| The fluid is pushed up by the pressure of the atmosphere. |
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Term
| Since atmospheric pressure decreases with altitude, a barometer can be used to determine _________________________. |
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Term
| Give me an equation for Boyle’s Law: |
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Definition
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Term
| Archimedes’ principle for air: |
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Definition
| An object surrounded by air is buoyed up by a force equal to the weight of the air displaced. |
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| Two balloons are inflated to the same size, one with air and the other with helium. Which balloon experiences the greater buoyant force? |
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Definition
| Both balloons are buoyed with the same buoyant force. |
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Term
| Is the atmospheric pressure within a tornado high or low? |
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Definition
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Term
| State: Bernoulli’s principle |
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Definition
| When the speed of a fluid increases the pressure drops |
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Term
| The shape of a bird’s feathers ensures that the air passes faster over the _________ surface. |
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Term
| When a bird's wing is in flight, the air pressure is ____________ on the top side. |
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Term
| Horizontal flight is possible when _____________ equals weight. |
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