What will be the effect on air pressure if the temperature drops? Why?

One Line Answer

As the temperature falls, the density of air increases and so the air pressure rises.

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Chapter 4: Air Pressure - Think about it. [Page 17]

Chapter 4 Air Pressure
Think about it. | Q 1 | Page 17

What is the purpose of a barometer?

State two uses of a barometer.

Draw a simple labelled diagram of a Fortin barometer and state how it is used to measure the atmospheric pressure.

State two factors which affect the atmospheric pressure as we go up.

Briefly state the variations in the vertical distribution of pressure.

Briefly explain the three chief types of winds.

How is the reading of a barometer affected when it is taken to: A hill

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Give reasons:

Why artificial pressure creates in Aircraft?

Tyre pressure of 30psi is almost ______ the atmospheric pressure.