Louisa put a bowl of water and a bowl of sand in the sun. She put a thermometer in each bowl. Then she recorded the temperature at the start and after 30 minutes. After 30 minutes, the sand had heated more than the water.

Question

Louisa’s experiment proved that
Responses

A sunlight does pass through water. sunlight does pass through water.

B sunlight heats liquids more than solids.sunlight heats liquids more than solids.

C different materials heat up at different rates.different materials heat up at different rates.

D different materials absorb the same amount of heat.

Answer 1

The best response that Louisa's experiment proves is:

C different materials heat up at different rates.

This conclusion is supported by the observation that the sand heated more than the water after being exposed to sunlight for the same amount of time.