Charged Matter
The building blocks of matter
What are atoms?
A closed circuit allows
What is an electric current to flow?
Where the magnetic field is strongest
What is near the poles?
By transforming electrical energy into magnetic energy, an electromagnet can become
What is a very powerful magnet?
Most electricity comes from this
What are generators?
This happens when positive and negative charges no longer have balance.
What is static electricity?
An open switch
What is does not allow an electric current to flow?
Anything that attracts iron, steel, and other metals
What are magnets?
One advantage electromagnets have over regular magnets
What is you can change their strength?
Changing a magnetic field creates
What is an electric current?
Lightening creates this mighty sound
What is thunder?
Atoms that become charged more easily than others
What are conductors?
All magnets have these two poles
What are north and south?
What are sound waves?
More coiled loops of wire mean
What is the magnet creates a stronger current?
As the saying goes...
What is opposites attract?
Plastic, rubber, glass, and dry wood
What are insulators?
Iron filings show
What is a magnetic field?
Two ways to make an electromagnet more powerful
What is by increasing the amount of current in the wire and increasing the amount of turns in the coil?
How a generator uses magnets and wires
What is to turn mechanical energy into electrical energy?
The space around electrically charged objects
What is an electric field?
In this type of circuit, what happens to one bulb also happens to the other bulbs
What is a series circuit?
A compass needle points toward this
What is Earth's magnetic poles?
Electromagnets help convert
What is electric energy to magnetic energy to mechanical energy?
The 4 R's of electrical safety
What is respect, read, replace, and relocate?