Today in Science we tested a range of materials to see which would be the best to use to make a coat for Bertie.
We tested fabric which would be warm but it was not waterproof.
W tested plastic which was waterproof and flexible.
We tested foil and metal which were waterproof but not flexible.
Finally we tested paper which was not waterproof and it ripped easily.
We decided that the best material to use would be plastic!
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