Answer:
Reduce heat loss with insulation
Experiment
Use four large tin cans of equal size and four smaller tin cans of equal size.
Inside the first large can put a small can on two corks in a large can.
This is the control.
Select types of insulating material, e.g. sawdust, cork pieces, newspaper, plastic.
Put a small can inside each large can.
Pack one type of insulating material under and around each of the smaller cans.
Put a cardboard cover on each large can.
Make a hole in each cover for a thermometer.
Fill each small can to the same depth with water that is nearly boiling.
Record the initial temperature of the water in each can.
Record the temperature of the water in each can at five minute intervals.
Draw cooling curve graphs by plotting temperature against time for each can.
Note which material is the best insulator.
Explanation:
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