Across
- 2. the area of force that surrounds a magnet
- 5. a source of energy, with a + and - end
- 11. the force that pushes away
- 13. in magnets, two ________ sides will attract (hint: starts with "O")
- 16. ________ magnets are black and circular, with a north pole on one side and a south pole of the other side
- 17. south pole and _______ pole will create a repelling push force
- 18. a _______ is created by twisting or wrapping up a copper coil
- 19. our planet, _______, is a giant magnet
- 21. to move or shift, like energy
- 23. ______ magnets are rectangles with a N and S on their ends
- 24. paperclips and nails are usually made up of _________, a magnetic material
- 25. this lit up brighter when we attached it to a battery
Down
- 1. a coil plus a battery creates an __________
- 3. a junkyard ______ uses an electromagnet to pick up metal cars
- 4. the force that pulls in
- 6. the Maglev ________ is a traveling electromagnet that floats on its tracks
- 7. south pole and ________ pole will create an attractive pulling force
- 8. we use ______ wire to create coils, but this material is NOT magnetic
- 9. a magnet has two ends, called north and south __________
- 10. current a flow of electricity
- 12. the ________ a sound, the brighter it will light a bulb
- 14. if you touch a doorknob after rubbing your feet on the carpet, you will feel a _____
- 15. a battery, 2 wires, and light bulb make a complete ______ (hint: circle)
- 20. this many batteries made the light bulb even brighter
- 22. true or false? a circuit must have a light bulb
