Magnets and Electricity

4. our planet, _______, is a giant magnet
8. a battery, 2 wires, and light bulb make a complete ______ (hint: circle)
12. ________ magnets are black and circular, with a north pole on one side and a south pole of the other side
13. the force that pulls in
15. a _______ is created by wrapping up a copper wire
16. this many batteries made the light bulb even brighter
18. a flow of electricity
20. in magnets, two ________ sides will attract (hint: starts with "O")
21. true or false? the louder a sound, the brighter it will light a bulb
23. south pole and _______ pole will create a repelling push force
24. paperclips and nails are usually made up of _________, a magnetic material

1. south pole and ________ pole will create an attractive pulling force
2. the area of force that surrounds a magnet, a ________ field
3. if you touch a doorknob after rubbing your feet on the carpet, you will feel a _____
5. ______ magnets are rectangles with a N and S on their ends
6. this lit up brighter when we attached it to a battery
7. a coil plus a battery creates an __________
9. true or false? a circuit must have a light bulb
10. a junkyard ______ uses an electromagnet to pick up metal cars
11. a source of energy, with a + and - end
14. the Maglev ________ is a traveling electromagnet that floats on its tracks
15. we use ______ wire to create coils, but this material is NOT magnetic
17. a magnet has two ends, called north and south __________
19. the force that pushes away
22. to move or shift, like energy