What to explore
- Motion and forces
- Energy and electricity
- Waves and light
- Graphs, units and practical skills
Try it: average speed
A student walks 120 metres in 60 seconds. Average speed is distance divided by time: 120 ÷ 60 = 2 metres per second. This does not mean their speed was constant throughout the walk.
Build a numerical-question routine
Write the known quantities with units, identify the unknown, select a relationship and rearrange before substituting. Check whether the size and unit of the answer make sense.