Why can some forces act from a distance?, -, --, Why is having an invisible force field around a force important?, -, --, What two forces have we studied that have force fields?, -, --, Which force is the movement of charged particles?, -, --, Which direction does electricity flow?, -, --, Which of the following would NOT increase the force of electricity?, More charge, More current, More distance, Less distance, Which charges would produce the most electricity?, +5 and -5, 0 and 0, + 50 and -50, +100 and -100, What do you need to build to create current electricity?, -, --, What is an example of static electricity and why?, -, --, What happens to the strength of electricity as the distance between the object increases?, -, --, What force attracts ferrometals?, -, --, What 3 elements are magnetic?, -, --, What are two ways to increase the strength of the magnetic field?, -, --, What would happen to the strength of the magnetic field as the distance between the object decreases?, -, --, How many poles do all magnets have and what are they called?, -, --, Similar poles (N-N or S-S) would, attract, repel, Opposite poles (N-S) would, attract, repel, How do you find the poles on a magnet?, -, --, What direction does magnetism flow?, -, --, What would happen to the strength of a force as the magnitude of the force increases?, -, --, Give evidence to prove that magnets are surrounded by an invisible magnetic field. (an example), -, --, What is the largest magnet around us?, -, --, Why does the Earth have a magnetic field?, -, --

Force Fields Review

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