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Monday, 23 June 2014
IWe are finding out about insulation this week. Today we tested which clothing keeps a cup of hot water hottest. We tried out Joy's scarf, Cullen's jacket, Elliot's jersey and some newspaper.
After 18 minutes we tested them . The scarf kept the water warmest at 49C, then newspaper and jacket at 48C. The jersey was just last with 47C. The control, the cup we left on the table by itself was 43C at the end.
We decided that showed us that it would help us stay warm if we put on a jacket or other warm clothes when we went out in the cold.