Circuits
What is the difference between a conductor and an insulator?
What ever your answer is it will be okay.....
What are the two poles of a magnet?
North Pole and South Pole
How can you make an electromagnet stronger?
Add more coils of wire or more batteries.
How can you create static electricity?
By rubbing two materials together (friction).
What is a circuit, anyway?
A closed path through which electricity flows. (yours is most likely close enough though)
What happens when you bring two North poles together?
They repel (push away)
What do you need to make a simple electromagnet?
Battery, wire, and a nail.
When you rub a balloon on your hair, what particles are transferred?
Electrons (negative charges)
What is a closed circuit?
A complete path.
Where is the magnetic force strongest?
At the poles
Can a permanent magnet be turned off?
No.
What natural phenomenon is a massive example of static discharge?
Lightning
What is a conductor?
A material that allows electricity to flow easily.
What can you use to see a magnetic field?
Iron filings
Can you change the poles of an electromagnet?
Yes.
What is it called when two materials rub together and create a charge?
Friction
Name two good conductors.
Copper and Aluminum
Is aluminum magnetic?
No
Which metal is most commonly used for the core of an electromagnet?
Iron
What charge does an electron have?
Negative