A student has five different-sized magnets. She puts each magnet far away from a paper clip and slowly moves the magnet closer until it attracts the paper clip. She records the distance between the magnet and the paper clip when it attracts. What is the student's experiment designed to test?
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1 point
how the size of a magnet affects the strength of its magnetic pull on objects
how the type of paper clip affects the way in which it reacts to the force of a magnet
how the distance away from a magnet affects a paper clip's chances of being attracted
how the magnetic force of a magnet affects the movement of an object