question: A student gives a red toy car a push on a wooden floor. The student then pushes the same red toy car on a cement floor. Which question is the student most likely investigating?
choices.text: How fast does a toy car usually roll? What is the best way to make a toy car roll? Which surface allows a toy car to roll farther? Does color have an effect on the distance a toy car rolls?
choices.label: A B C D