The Table shows how atmospheric pressure changes with height above sea level.
Table
| Height above sea level in m\text{m}m | Atmospheric pressure in kPa\text{kPa}kPa |
|---|---|
| 0 | 101 |
| 1000 | 90 |
| 3000 | 70 |
| 5000 | 54 |
| 9000 | 31 |
Describe how atmospheric pressure changes with height above sea level.
Use data from the Table in your answer.
Explain why atmospheric pressure decreases as the height above sea level increases.
Calculate the decrease in atmospheric pressure between sea level and a height of 3000 m.
Give your answer in pascals.
132 exam-style questions on Edexcel GCSE Physics 15.2 Pressure in fluids, covering 15.2.1 Atmospheric pressure and height, 15.2.2 Pressure in fluids, 15.2.3 Pressure, force and area, 15.2.4 Pressure and depth, 15.2.5 Pressure in liquids: depth and density, 15.2.6 Upthrust, and 15.2.7 Floating and sinking. Each one has a worked solution and a mark scheme showing where the marks go.