5.imagine you are at the beach on a very hot day. you walk toward the water. the sand is eextremly hot. when you reach the water, you find that the water is much cooler than sand.
a) using the term heat capacity, explain why the sand is hot and water is cool
b)predict what the air temprature would be relative to the sand and water temp..
explain your thinking using the term heat capacity.
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Since this is not my area of expertise, I searched Google under the key words "heat capacity water sand air" to get this:
http://www.google.com/search?client=safari&rls=en&q=heat+capacity+water+sand+air&ie=UTF-8&oe=UTF-8
In the future, you can find the information you desire more quickly, if you use appropriate key words to do your own search. Also see http://hanlib.sou.edu/searchtools/.
a) Heat capacity is a measure of how much heat energy a substance can absorb before its temperature increases. In the case of sand, it has a lower heat capacity compared to water. This means that sand requires less heat energy to increase its temperature compared to water.
When you are at the beach on a hot day, the sand is heated up by the sun's rays. Sand has a lower heat capacity, so it quickly absorbs and retains heat energy from the sun, making it hot to the touch.
On the other hand, water has a higher heat capacity than sand. It requires more heat energy to increase its temperature compared to sand. As a result, the water at the beach remains cooler than the sand because it takes longer for the heat energy from the sun to raise the temperature of the water.
b) Heat capacity can also help us predict the relative air temperature compared to the sand and water temperature. Since sand has a lower heat capacity, it heats up more quickly than water. Therefore, if the sand is extremely hot, we can assume that the air temperature would be even higher than the sand temperature. The air has the ability to absorb and retain heat energy from the sun much faster than sand or water due to its low density and high heat capacity.
On the other hand, water has a higher heat capacity, which means it takes longer to heat up compared to the sand. Therefore, if the water is cooler than the sand, we can predict that the air temperature would be lower than both the sand and water temperatures since air has a lower heat capacity and takes longer to absorb heat energy from the sun.
It is important to note, however, that air temperature is influenced by many factors other than heat capacity, such as wind, humidity, and atmospheric conditions. Heat capacity alone cannot provide a precise prediction of air temperature, but it can give us a general idea based on the relative heat absorption characteristics of sand, water, and air.