Choose a question to investigate as a class or in small groups. Write the question you chose on a sheet of paper. Make a prediction about what you think you will discover. Then write your prediction below the question. Also write one or two sentences to explain your prediction. Click on the numbers next to the question you selected to view graphs that might help you answer your question. Click here for more graphs.

• How long do most students report it took to melt the chocolate? (Graph 1 or 2)

• What color is the inside surface of most melters? (Graph 1 or 2)

• How shiny are the inside surfaces of most melters? (Graph 1 or 2)

• What time of day is the most popular for melting chocolate? (Graph 1 or 2)

• What outside air temperature do most students report? (Graph 1 or 2)

• What season of the year is most popular for melting chocolate? (Graph 1 or 2)

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