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?

  Options: 
 A. How fast does a toy car usually roll?
 B. What is the best way to make a toy car roll?
 C. Which surface allows a toy car to roll farther?
 D. Does color have an effect on the distance a toy car rolls? 
Answer: C