Question

Please Help Me!!

Suppose you and some friends are going to the beach for the day. You want to bring a cold lunch with you to have later in the day.

1. Think about what happens to something cold at a hot place like the beach. What kind of container should you use to pack your lunch? Explain your reasoning.

Answer 1

To keep lunch cold at the beach, an insulated cooler or thermal bag is ideal due to its ability to minimize heat transfer, similar to how refrigeration works or how a chemical cold pack absorbs heat through an endothermic reaction.

Step-by-step explanation:

To keep a lunch cold at the beach, you should use a container with good insulating properties, such as an insulated cooler or thermal bag. This is because these types of containers are designed to minimize the heat transfer from the hot environment of the beach to the cooler interior where the lunch is stored.

The insulation works by slowing down the process of thermal energy (heat) being absorbed by the cold food inside, keeping the lunch at a low temperature for a longer period of time. The principle behind this is similar to how refrigeration technologies maintain the freshness of food by controlling temperature, as well as how a chemical cold pack works through an endothermic reaction to absorb heat energy and cool down its surroundings.

Answer 2

If you are brining a cold lunch to a hot beach you will come back to a warmer lunch than before. I think that if you were to use a container to help that from happinig you should use a cooler.

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