Choose between "cement" and "carpet". Question: Kim is kicking a ball around the carpet in the house. Her mom tells her to go outside. She notices that the ball flies at a much higher speed when she kicks it across the cement. This is because the _____ is smoother. (A) cement (B) carpet
cement

Choose between "sandy hill" and "glass hill". Question: Jake pushes his jeep down a sandy hill and the jeep slowly goes down it. Then Jake pushes his jeep down a glass hill and the jeep quickly reaches the bottom. The jeep went down the glass hill faster because it had (A) more resistance (B) less resistance.
glass hill

Choose between "passengers in car" and "no passengers in car". Question: Bertha loves driving around in her car, because it speeds up very quickly. However, if she were to pick up a few friends and drive them around, she'd probably find that her car (A) speeds up faster (B) speeds up slower
no passengers in car