Thermal Insulators RP2

Practical:

1. Boil water in a kettle and pour some into a sealable container to a safe level. Measure the mass of water.
2. Measure initial temperature with a thermometer.
3. Seal container and leave it for five minutes using a stopwatch.
4. Remove the lid and measure temperature again.
5. Pour water away and let the container go back to room temperature.
6. Repeat the experiment, but wrap the container in a different material of equal thickness.

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