Presentation on theme: "Magnetism BY: Karli K. magnet Permanent Magnets work without an electric current. Temporary Magnets need an Electric current to make it work."— Presentation transcript:
Magnetism BY: Karli K
magnet Permanent Magnets work without an electric current. Temporary Magnets need an Electric current to make it work
Magnets are always on unless it is a electro magnet… it can turn on/off. When there is a regular magnet it is always on, so it is permanent
there are two poles of a magnet the north and south poles. When you put the S&N together they attract. When you put the S&S or N&N next to each other they repel [push away].
Questions? 1.Magnets stick to objects made of A. none of the above B. copper C. wood D. plastic 2. Is a material that magnets pick up A. all of the above B. copper C. iron D. Aluminum
Questions? 3. Two magnets will repel when A.Their magnetic forces are pushing against each other. B.All of the above C.There north poles are facing each other D.Their south poles are facing each other