P1.3.3 - Atmospheric Pressure

Question 1

What do scientists assume about the density of the atmosphere?

Answer 1

It is the same all around it

Question 2

What is atmospheric pressure?

Answer 2

Pressure that is exerted from the gases in the atmosphere

Question 3

What is the atmospheric pressure on the surface of the Earth?

Answer 3

101325Pa

Question 4

How many Newtons of force is there on every square metre of the Earth’s surface?

Answer 4

100000N

Question 5

How do you know that air is exerting pressure?

Answer 5

By removing air from something, for example you can scrunch a can once all the air is removed from it

Question 6

What is the atmospheric pressure on the top of Mount Everest?

Answer 6

33kPa

Question 7

Does the atmospheric pressure increase as you move further from the Earth’s surface?

Answer 7

No

Question 8

Why does atmospheric pressure decrease as you move further from the surface of the Earth?

Answer 8

There is less air pushing down on you