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Pressure Part 2

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G
Guangyang Sec School

A sealed bag of chips expands on a plane due to lower atmospheric pressure outside. Pressure concepts in fluids explain equal water levels in connected vases and the Titan submersible's implosion.

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Slides (40)

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Page 1 - Pressure.pdf

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Page 2 - Pressure.pdf

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Why does it seem like someone put more air into the bag of chips?

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Page 3 - Pressure.pdf

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Page 4 - Pressure.pdf

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Implosion of OceanGate Sumbersible

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Page 6 - Pressure.pdf

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Page 7 - Pressure.pdf

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Page 8 - Pressure.pdf

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Page 9 - Pressure.pdf

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Page 10 - Pressure.pdf

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An object has mass 120 g. A student fills a measuring cylinder with 50.0 cm³ of water. After carefully lowering the object into the cylinder, the water level rises to 65.5 cm³. What's the density of the object?

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Page 11 - Pressure.pdf

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Page 12 - Pressure.pdf

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Page 13 - Pressure.pdf

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What do you observe about the depth of each outlet and the distance travelled by the water spurted out? Explain your observations using ideas about pressure

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Given that the height of the water level in the leftmost column is 20cm, what is the pressure at the base of the leftmost column?

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POE Activity: Water is added into the leftmost vase. Predict what will happen to the water level in each of the other vases. Which column will have the highest water level, and why?

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Example 2: Observe what happens as water is added to leftmost column

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Page 16 - Pressure.pdf

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Checkpoint 1: If the depth of A is 10m, and assuming seawater density is 1000kg/m3, what is the pressure at point A?

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Checkpoint 1: How does the pressure at point A compare to point B? Explain

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Why does a sealed bag of chips expand and appear bloated when taken onto a plane?

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What caused the Titan submersible to implode during its deep-sea dive?

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Summary of content learnt

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