Pressure.

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Presentation transcript:

Pressure

What is pressure?

What’s my pressure? Draw around one foot Count the squares and multiple by two (unless you only have one foot!) Find out your weight in Newtons Work out your pressure

My pressure Total area = Area X2 = cm2 ÷ 10 000 m2 Pressure = Weight in N ÷ Area in m2 = (N/m) Pa

Question How does the type of shoe you are wearing affect your pressure?

How does the type of shoe you are wearing affect your pressure? https://www.youtube.com/watch?v=ZPXVARUt47g

Pressure in liquids and gases Watch the video What do we mean by high pressure water?

Pressure in liquids and gases Watch the demo What happens when you go deep underwater? What would happen to the pressure if you flew into Jupiter? (it is made of gas)

Collapsing can Heat water in can – this makes the water evaporate into steam Wait until all the air has been pushed out of the can Quickly cool the can so the steam condenses back into water

Collapsing can – what happens?