A student has four hot plates and four beakers with the same amount of room temperature water in each. She wants to answer the question "How does the starting water temperature affect the time for the water to boil?" How ,begin emphasis,should,end emphasis, the student proceed to answer the question?Answer options with 4 options.Set the hot plates to the same temperature, put a beaker on each, and measure the time for the water to boil.B.Set the hot plates to different temperatures, put a beaker on each, and measure the time for the water to boil.C.Make the amount of water in each beaker different, heat the beakers equally, and measure the time for the water to boil.D.Make the water temperature in each beaker different, heat the beakers equally, and measure the time for the water to boil.

Answer 1

The correct approach for the student to answer the question "How does the starting water temperature affect the time for the water to boil?" would be option D: Make the water temperature in each beaker different, heat the beakers equally, and measure the time for the water to boil.

This option allows the student to directly investigate how varying the starting water temperatures impacts the boiling time, which is the essence of the research question. The other options do not effectively isolate the variable of interest (starting water temperature) or introduce confounding variables.