We started by investigating which biscuit could be dunked for the longest. This was a lot of fun and we enjoyed predicting and recording our results together. Surprisingly, Rich Tea biscuits won the challenge in most groups which we didn't predict. We discussed our conclusions and put our results into a graph so that we could explain them clearly.
We also enjoyed a coin challenge which involved us seeing how many drops of water would fit on a 2p coin. Our final experiment was making a tower using only spaghetti and marshmallows.