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Integrated Science Name _______________KEY_____________ Bill Nye – Magnetism Video Guide 1. Name three minerals (elements) that are magnetic. Circle the MOST common. ______IRON_______, _________NICKEL_____, ________COBALT_________ 2. Electrons moving create _____ELECTRICITY________. 3. Where does Earth’s magnetic field come from? THE SPINNING OF THE EARTH’S IRON/NICKEL CORE 4. Opposite poles of a magnet ___ATTRACT___, but Like poles of a magnet ___REPEL___. 5. If you break a magnet in pieces, each piece is ______ANOTHER MAGNET_____. 6. Using Magnets: Magnetic trains can go faster because they have less __FRICTION_. 7. The MRI was used to look for a ___TUMOR__ in a _____BRAIN___. 8. What happens to compasses surrounding a wire carrying electricity? THE NEEDLES LINE UP IN A CIRCLE AROUND THE WIRE 9. When the spinning electrons in an iron domain line up, the iron becomes __MAGNETIC___. 10. Magnetic or Not: Place a check ( ) under the correct heading for each item. X Aluminum bike X Nickels and dimes X Iron weather vane X Steel X Sun X Moon 11. The Northern Lights are caused by charged particles from the SOLAR WIND interacting with the Earth’s ___MAGNETIC FIELD 12. Which planet has a magnetic field 20,000 times stronger than Earth? __JUPITER__