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WorksheetsElectromagnet
Total questions: 10
Worksheet time: 3mins
Magnetism is an example of a non-contact force.
True
False
Iron filings sprinkled over a magnet define the gravitational field of the magnet.
True
False
Magnetic fields strengthens as distance increases.
True
False
The strength of a magnet is concentrated t the ends of a magnet.
True
False
Which of these is not used to create a simple electromagnet?
light bulb
copper wire
battery
iron nail
This is an object made from a battery, a nail and some wire. What will happen if you touch a metal paper clip to the nail?
The wires will melt.
The battery will spark.
The nail will give you a shock.
The paper clip will stick to the nail.
Iron filings and a bar magnet were placed on a sheet of paper. At which location is the magnetic field the strongest?
1
2
3
4
If you push two magnets toward each other. As shown by the arrows, the magnet will.....
break into many pieces.
turn into opposite direction.
be pulled toward each other.
be pushed way from each other.
The image shows pieces of scrap iron being picked up by a metal disk hanging from a crane. The pieces of scrap iron are attracted to the metal disk. The metal disk is most likely functioning as which of the following?
battery
an engine
an insulator
an electromagnet
A science student wants to make an electromagnet using a copper wire wrapped around an iron bar, as shown in the image. What should the student do next?
Connect the wire to the bulb.
Heat the wire around the bar.
Send a current to the wire.
Touch the ends of the wire together.
