When you walk across the water, heat is transferred from your feet to the water by conduction causing your feet to cool down.
We know that energy can be transferred in three ways;
1) Conduction
2) Convection
3) Radiation
The energy from the sun gets to the earth by the process of radiation and this energy causes the temperature of the sand to increase. When you walk across the water, heat is transferred from your feet to the water by conduction causing your feet to cool down.
Learn more about energy transfer:https://brainly.com/question/18649915
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