1A balloon bursts as you keep blowing it bigger and bigger. Why does this happen?
2What is air pressure? Write any two ways in which it matters.
3Draw a clean diagram of a manometer.
4What is atmospheric pressure? Write about it with an example.
5Describe an experiment that shows that the atmosphere has pressure.
6State any two uses of atmospheric pressure.
7What is the name given to the pressure that exists in the atmosphere because of air?
8What is the name of the instrument used to measure the pressure of a liquid?
9Make a list of other devices in daily life that run on atmospheric pressure, and write what each one does.
10What is compressed air? Write two of its uses.
11What happens to atmospheric pressure as you climb a mountain, and why?
12What happens when air is compressed?
13If the liquid stands at the same level in both arms of a U tube manometer, what does that show? What happens when a gas presses on one of the arms?