Question

Set up an experiment to measure gain and loss of heat by water, sand and air.

Answer 1

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Answer in Attachment...

Answer 2

Take 2 beakers, and fill them each with liquid and sand. Take a closed bottle and put a thermometer inside it. Hold these three for three hours at noon. Now, check the three containers 'temperatures.

Explanation:

• Take 2 beakers, and each fill them with liquid and sand. Take a closed bottle and put a thermometer inside. Hold these three for three hours at noon. Now, check the three containers 'temperatures.
• You will find that water temperature is lower than sand temperature, as sand is heated faster by the sun than water. In addition, due to the greenhouse effect the air temperature in the closed container would be higher than the usual open air temperature.
• In fact, calculate the temperature in darkness, because temperature in direct sunlight is not going to be either.

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