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PS Prac Test B Prep
8th grade milestones practice test pret
| Question | Answer |
|---|---|
| The symbol for this is an uppercase "i" and it is inversely related to resistance. | current |
| Heat transfer by touching | conduction |
| If an objects covers the same amount of distance in every second, this is constant and nonzero | speed |
| this causes acceleration; directly related to acceleration | net force |
| The number of ropes attached to the pulley that moves the mass tells you its | mechanical advantage |
| A pulley that only changes the direction of the motion has a mechanical advantage = ______ | 1 |
| energy stored in a battery | chemical |
| energy transmitted through wires | electrical |
| 9.8 m/s^2 or 10 m/s^2 | acceleration due to gravity for earth |
| Distance that a simple machine moves an object | resistance |
| force exerted by the person on a simple machine | effort |
| horizontal lines on a heating curve represent these | phase changes |
| wave whose energy moves perpendicular to its matter | transverse |
| more energetic elctromagnetic waves have a greater | frequency |
| This type of wave travels faster as the media becomes less dense | electromagnetic |
| Type of circuit that has the same current throughout | series |
| Increasing the current will make this device exert a stronger force | electromagnet |
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enewmanator
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