30 pts please help: What could you detect using a magnet and iron filings?

Where is the pushing a pulling force of a bar magnet strongest?

Two magnetic poles that are the SAME each other

What does repel mean?
a. Magnets move towards each other
b. Magnets move away from each other
c. Magnets lose their magnetic pull

Which element is responsible for the magnetic force?
Iron
Gold
Aluminum

Does distance strengthen or weaken a magnets ability to attract?
(also has a make no difference option)

Which of these is NOT used to create a simple electromagnet?
Battery
Light Bulb
Copper wire

In an atom the electrons and protons are located in the nucleus True or False