Original Project
Energy: Forms, Transformation, Transfer, and Conservation
Motion energy (kinetic energy) is associated with the speed and the mass of an object.
Item EG004004: A car has the most motion energy when it is traveling at the highest speed.
A man is driving a car. He slows down to stop at a stop sign.
When does the car have the most motion energy (kinetic energy)?
- When the car's speed is 30 miles per hour
- When the car's speed is 15 miles per hour
- When the car's speed is 0 miles per hour
- The car's motion energy is the same the whole time.
- Distribution of Responses
- Students Responding Correctly
| Group | Correct | Total | Percent |
|---|---|---|---|
| Overall | 2003 | 3116 | 64% |
| Grades | |||
| 6–8 | 1233 | 1948 | 63% |
| 9–12 | 761 | 1157 | 66% |
| Gender | |||
| Male | 983 | 1509 | 65% |
| Female | 983 | 1551 | 63% |
| Primary Language | |||
| English | 1812 | 2742 | 66% |
| Other | 154 | 305 | 50% |