NCES.EX.5.P.1 - Understand how force can change motion of objects.
- NCES.EX.5.P.1.1 - Describe factors that would make it easier or harder to push or pull an object (wheels, round, flat, heavy, light).
- NCES.EX.5.P.1.2 - Compare changes in motion (speeding up, slowing down) under certain conditions (e.g., steeper ramp, more weight, more or less force).