| Question | Answer |
|---|---|
| Push or pull of an object | force |
| Use of force to move an object | work |
| Vibrations of a medium | wave |
| The material -solid, liquid, or gas- through which a wave can travel | medium |
| The top parts of a wave | crest |
| The bottom parts of a wave | trough |
| Particles move back and forth in the same direction | longitudinal waves |
| Parts in a wave where the waves are close together | compression |
| Where the waves are spread out | rarefaction |
| Where the waves go up and down | transverse wave |
| A wave that requires a medium | mechanical waves |
| Vibrations of electric and magnetic fields | electromagnetic waves |
| How far particles in a medium move from their rest position | Amplitude |
| Distance from any point on wave to the next identical point | Wavelength |
| Number of waves that pass a point in a given amount of time | frequency |
| A unit of frequency | Herts |
| Speed of which a wave travels | wave speed |
| The ability to do something or act in a way | power |
| A worker in a factory lifted a 200 N box 3 meters in 10 sec, what power is used? | P=60watts |
| A chef made a whole meal and if 34 watts of power is produced in 20 sec, how much work s done? | w=680j |
| What amount of time would be needed to produce 610 joules of work if 30 watts of power is needed? | t=20.33repeated sec |
