Question

the passage below describes an experiment. sophie had medicine tablets that fizzed, or released gas, as they dissolved in water. she crushed five tablets into pieces and left another five tablets whole. she dropped each tablet, crushed or whole, into its own glass with eight ounces of water. the water in each glass was at room temperature. sophie watched the glasses and recorded the amount of time it took each of the ten tablets to stop fizzing. identify the question that the experiment can best answer. do whole tablets fizz for a longer period of time than crushed tablets? do crushed tablets or whole tablets cause a bigger change in the temperature of the water in which they dissolve?

Explanation:

Step1: Identify variables

The variables are whole - vs - crushed tablets and fizzing time.

Step2: Analyze experiment setup

Sophie dropped whole and crushed tablets into water and measured fizzing time.

Step3: Determine relevant question

The setup is focused on comparing fizzing time of whole and crushed tablets.

Answer:

The question that the experiment can best answer is "Do whole tablets fizz for a longer period of time than crushed tablets?"