One easy assessment is a well-known experiment known as the "ruler drop test". You'll need the assistance of a family member or friend for this one, as well as a ruler: • Sit in a chair ...

A suitable investigation could be the effect of caffeine or the amount of background noise in the room. A simple method to measure the effect is to use the ruler drop test.

You will complete 21 required practical activities if you are studying GCSE combined science ... Student B holds a ruler with the bottom of the ruler level with the thumb of Student A.