Demonstration: Discussing the effect of area on pressure.
Class practical: Observing that air springs back when the pressure on it is released.
Demonstration: Does the area of a manometer tube matter when measuring pressure?
Demonstration: Using U-tube manometers to measure the gas supply pressure.
Class practical: Feeling forces with two nylon syringes of different sizes connected together.
Class practicals: An experiment to introduce the Bourdon gauge.
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