Year 5 carried out an experiment to see how oil changed the effect of friction. Using chopsticks, they moved cubes of jelly from one plate to another. This was surprisingly hard as the jelly was very sticky. They then covered the jelly cubes in oil and repeated the test. They found that the cubes were actually easier to move as the friction was less and they didn’t stick to the plate as much. They were surprised by the result as they originally thought the oil would make them too slippy to hold.
Year 5 Jelly experiment
