A simple guide on the question of 'what is speed' in maths aimed at children between the ages of 11 and 14. A simple guide on the question 'what is density' in the context of maths aimed at children ...

Mass of potato cylinder at start (g) 2.22 Mass of potato cylinder at end (g) 2.52 In this experiment, 0.30 grams of water were taken up by the potato cylinder. This took place over 20 minutes, so the ...