The table shows how atmospheric pressure changes with height above sea level.
Table
| Height above sea level (km\text{km}km) | Atmospheric pressure (kPa\text{kPa}kPa) |
|---|---|
| 0 | 100 |
| 2 | 80 |
| 4 | 62 |
| 6 | 47 |
Which statement describes the pattern in the data?
The pressure decreases as height increases, by a smaller amount for each 2 km2\ \text{km}2 km
The pressure decreases as height increases, by the same amount for each 2 km2\ \text{km}2 km
The pressure is inversely proportional to the height above sea level
The pressure decreases as height increases, by a larger amount for each 2 km2\ \text{km}2 km
50 exam-style questions on OCR GCSE Physics 1.3 Pressure, covering 1.3.1 Molecular motion, temperature and gas pressure, 1.3.2 Gas pressure at constant volume, 1.3.3 Compressing and expanding gases, 1.3.4 Gas volume and pressure at constant temperature, 1.3.5 Doing work on a gas, 1.3.6 The Earth's atmosphere and atmospheric pressure, 1.3.7 Atmospheric pressure and height, 1.3.8 Floating and sinking, 1.3.9 Pressure in liquids and upthrust, and 1.3.10 Pressure differences with depth. Each one has a worked solution and a mark scheme showing where the marks go.