How Does Energy Work Investigating Magnetism Sally M Walker a Lerner Publications Company Minneapolis
Chapter 1 MAGNETS Look around your home or classroom Do you see any magnets Many people use magnets to hold pictures on their refrigerators These magnets are easy to see Some magnets are easy to see Other magnets are hidden inside machines What do the hidden magnets do 4
There are also many magnets that you can’t see They are hidden inside earbuds telephones and computers Why are magnets inside these items A magnet makes magnetic force A force is a push or a pull Magnetic force makes a magnet stick to a refrigerator Forces from hidden magnets make many machines work 5 Without magnets earbuds wouldn’t work
