Quiz magnet 7

Magnet 7

1. A bar magnet has two poles. What are they called?
   
red and blue


east and west


top and bottom


north and south


2. Where is the magnetic force of a bar magnet the strongest?
   

in the center of the magnet


midway between each side of the magnet


at either end or pole of the magnet


The magnetic force is uniform throughout the magnet


3. All of these metals are nonmagnetic (not attracted to a magnet) except:
   
Steel


Aluminium


Cooper


Gold


4. There are nonmetals that are magnetic. What is an example of a magnetic nonmetal?
   
Plastic


Nitrogen gas


Wood


Liquid Oxygen


5. In a magnetic material, what units of matter are oriented the same way?
   
Protons


Electrons


Neutrons


Complete randomness of all particles exists in a magnet











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