1. A chimpanzee pushes a brown box on a wood floor. Then he uses the same force to push a blue box on carpet. The boxes are identical except for color. Which box will move farther? A. Brown box
B. Blue box
C. They will both move the same distance.
D. It’s impossible to know.

2. Which of these surfaces would have the least amount of friction? A. Concrete
B. Grass
C. Sandpaper
D. Satin cloth

3. Which is a way you could overcome friction on a surface to make an object move better?
A. Add oil to the surface.
B. Add water to the surface.
C. Use a surface made of ice.
D. Use more force.
E. All of the above

4. What can you do if you want to change the direction of an object? A. Apply a force in a different direction.
B. Increase its speed.
C. Increase the friction on the surface.
D. Wait until it changes direction on its own.