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Science experiment book

by Orla Kiely

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Aim of experiment:

To find out which material is the best insulator out of tinfoil, cotton wool and bubble wrap.

Steps:
Put boiling water into a cup with the insulating material around it.
Started a timer and measured how quickly the temperature of the water drops every 30 seconds for two minutes.
Repeated this step three times using a different insulator on each cup.
Measuring the temperature of the water
Used tinfoil, cotton wool and bubble wrap as insulators
Results:
We found out that cotton wool was the best insulator as it kept the water warm the longest.
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