15 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
What does a motor do?
a. Attracts a magnet
b. It converts electrical energy to mechanical energy
c. It converts mechanical energy into electrical energy
What does a generator do?
a. Attracts a magnet
b. It converts electrical energy to mechanical energy
c. It converts mechanical energy into electrical energy
Maglev trains use magnets to elevate trains so that they never touch the tracks. The poles of the magnets on the trains facing the poles of the magnets on the tracks must be...
a. The same, so they attract each other
b. The same, so they repel each other
c. Opposites, so they repel each other
d. Opposites, so they attract each other