| A | B |
|---|
| ohm | unit of resistance |
| conduction | trasfer of charge through direct contact of objects |
| voltmeter | device that measures voltage |
| ammeter | device that measures current |
| static electricity | electric charges at REST |
| insulator | material that does not allow electrons to flow |
| current | electrons in motion |
| Ohm's Law | relates current, voltage, and resistance |
| induction | rearrangement of electrons without direct contact |
| volt | unit of measure for potential difference(voltage) |
| ampere | unit of measure for the rate of electron flow(current) |
| conductor | material that lets electrons flow |
| potential energy | stored energy |
| potential energy | energy of motion |
| nuclear energy | comes from the nucleus of the atom, most concentrated form of energy |
| energy conversion | change in the type of energy |
| chemical energy | energy that bonds atoms or ions together |
| kinetic energy depends on | mass and velocity |
| heat energy | internal motion of particles of matter |
| unlike poles of magnets | attract |
| like poles of magnets | repel |
| positive charge | more protons |
| negative charge | more neutrons |
| neutral charge | same # of protons and neutrons |
| work | a force exerted over a distance |
| power equals work divided by ____ | time |
| Newton | used to measure force |
| fulcrum | the place where the lever is supported |
| moveable pully | changes the direction of the force |
| machine | reduces our effort |
| force | is a push or pull, gives energy to an object, can cause an object to chage it's motion |
| balanced forces | opposite and equal, motion is stopped |
| work is only done when | force is applied |
| Newton's 1st Law | an object in motion will stay in motion, an object at rest will stay at rest until an outside force is applied to it. |
