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Electricity and Magnets
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How can magnets be helpful?
To hold a screw to a screwdriver's tip, to pick up spilled nails, in electronics, etc.
Can the magnetism of a bar magnet be turned off?
No
Continuous charges flowing through a material.
Current Electricity
Which charge can move from object to object? Positive or Negative
Negative
An unbroken path where electricity can flow.
Closed circuit
A magnet that is controlled by an electric current is called?
Electromagnet
Where is a magnet's strongest points?
Its poles
What is the meaning of Magnetism
The pushing or pulling force caused by a magnet
Objects with the same kind of charge will _________ each other.
Repel
If a horse has 3 positive charges and 2 negative charges on it, is it mostly positive or negative
Positive
You can see the invisible magnet field by sprinkling ______ around the magnet.
iron filings
The invisible area of force all around a magnet's poles
Magnetic Field
An object that attracts certain metals.
Magnet
What material allows electricity to flow through it?
Conductor
When electric charges build up, what occurs?
Static Electricity
All matter is made of tiny particles called_______.
Atoms
a form of electricity that involves the flow of electric charges is called______.
electricity