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Marvellous Materials
Which material is most suitable to make an umbrella? We were looking for the most waterproof material in our investigation, we spoke about how we would keep it a fair test so we added the same amount of water droplets to each material and observed what happened.
Which materials will float or sink? We made predictions about which materials would float or sink and tested them in the water.
How can we speed up or slow down the melting process? To speed up the process we added salt and hot water and made carefully observations. To slow down the process we added cold water and put one outside and made careful observations. We timed the process for each pot of ice and made comparisons.
