Biscuit dunking experiment!

To kick off Science week 2021, we have been asked to undertake a special experiment! We need to investigate which biscuits are best for dunking in tea. 


Today, we discussed ways to create a fair test. The type of biscuits we test will change each time. However, we need to keep some variables the same. We need to use the same liquid, the same amount of liquid and the same amount of dunks. 


To create a prediction, we needed to investigate the biscuits! We are going to test hobnobs, digestives, ginger nuts, rich tea, custard creams and pink wafers. We felt each biscuit and decided what scientific properties they have. For example, rough, thick, layered, weak, hard and absorbant. Finally, we predicted which biscuits would be the best dunker and why. 


Baxter predicted "The pink wafer would be the best dunker because it has lots of layers". 


Livi predicted "The custard cream would be the worst dunker because it has cream which will absorb the tea". 


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