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Magnets
Vocabulary #1
Electricity
Vocabulary #2
Electromagnet
100

True or False: ALL kinds of metals, including Aluminum, are attracted to magnets.

What is FALSE?

100
A vocabulary term that means "The two areas on a magnet where the magnetic force is greatest".
What is magnetic poles?
100
Objects with unlike electric charges ____.
What is attract?
100
A vocabulary term that means " An object that attracts iron and certain other metals".
What is magnet?
100
Electromagnets mainly attract ___.
What is iron?
200
This type of magnet keeps its magnetism for a long time.
What is a permanent magnet?
200
A vocabulary term that means "A material that resists the flow of electricity".
What is insulator?
200
This type of circuit has a single pathway for electric current to pass through.
What is series circuit?
200
A vocabulary term that means "A continuous flow of electric charges".
What is electric current?
200

If you add more coils to an electromagnet, it gets...

What is stronger?

300

What are (at least) two ferromagnetic metals?

What are Iron, Nickel, and Cobalt?

300

Theses pretty lights show up at the poles when the solar wind hits the Earth's magnetic field.

What is Aurora?

300
Objects with like charges ___.
What is repel?
300

A vocabulary term that means "A material that allows electricity or heat to easily move through it".

What is conductor?

300
How is an electromagnet different than a regular magnet?
Its magnetic field can be controlled. (Turned off and on.)
400

The Earth has a magnetic field because its core is surrounded by moving molten metal mostly made up of ___.

What is iron?

400
Vocabulary term that means "The pathway that electric current follows".
What is electric circuit?
400
This type of circuit has connected parts so that the electric current can more along more than one pathway.
What is parallel circuit?
400

Vocabulary term that means "A device that turns chemical energy into electrical energy".

What is a battery (cell)?

400

The battle of the currents was between...

Who are Edison and Tesla?

500

The Earth makes a _______ move because of its magnetic field.

What is compass?

500
Vocabulary term that means "An electric charge that builds up on a material".
What is static electricity?
500
You walk across a carpet and touch your cat. Both you and your cat feel a shock. This is ___.
What is electric discharge from static electricity?
500

What are the two types of electric current?

What are Alternating (AC) and Direct (DC) current?

500

You increase the strength of an electromagnet by adding coils or...

What is increasing the current?