Starting Temperature (°C): 0 minutes	56 (degrees Celsius)	31 (degrees Celsius)
Ending Temperature (°C): 15 minutes	25 (degrees Celsius)	27 (degrees Celsius)

Data Analysis: Use your data and your own words to answer the following questions.

Questions	Answers
1. What is the difference in degrees between the starting and ending temperatures of sand with the light source powered on?	The difference in degrees with the sand with the light on is 33 degrees
2. What is the difference in degrees between the starting and ending temperatures of sand with the light source removed?	The difference in degrees with the sand with the light off is 31 degrees
3. What is the difference in degrees between the starting and ending temperatures of water with the light source powered on?	The difference in degrees with the water with the light on is 8 degrees.
4. What is the difference in degrees between the starting and ending temperatures of water with the light source removed?	The difference in degrees with the water with the light off is 4 degrees.
5a. What do you notice about the ending temperatures with the lights powered on and the starting temperatures with the lights powered off?	\begin{tabular}[t]{l} a.
b.

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