Show:
Static Electricity
Current Electricity
Magnetism
Electricity + Magnetism
Vocabulary
100

What is electric charge?

a property of matter that can be positive, negative, or neutral

100

What is electric current?

the flow of negative charges

100

What is a permanent magnet?

something that always makes its own magnetic field

100

What does electric current produce?

a magnetic field

100

A bright flash of electricity produced by a thunderstorm. 

What is lightning?

200
What electric charges are the easiest to move in a system?

negative charges

200
What is the name for a circular path for electric current to travel?

circuit

200

Where on a magnet is the magnetic field the strongest?

at the poles

200

What is an electromagnet?

something that produces a magnetic field only when electric current passes through it

200
A building in which electric power is generated.

What is a power plant?

300

In what two types of charge transfer do charges move by direct contact?

conduction and friction
300

What is a closed circuit?

complete loop for current to travel

300

Copy these and fill in the blanks:

Opposite poles _____

Same poles ____

Opposite poles attract

Same poles repel

300

An electric motor transforms ____ energy into ____

electrical energy into KE

300

The complete path in which electrical charges exist. 

What is a circuit? 

400

In what type of charge transfer do charges move without direct contact?

induction

400

What is an open circuit?

incomplete loop for current to travel

400

What is one thing that affects the strength of a magnetic field?

- how close you are to the magnet (closer = stronger)

- how large the magnet is (mass, size)

- what the magnet is made of (composition)

400

An electric generator transforms ___ into ___

KE into electrical energy

400

To move or cause to move in a circle around an axis or center. 

What is to rotate?

500

When will charges stop being transferred in a system?

when the system reaches equilibrium
500

What is the difference between an electrical conductor and an electrical insulator?

conductor = energy passes quickly

insulator = energy passes slowly

500

A bar magnet has two poles.  If you break it in half to make two smaller bar magnets, how many poles will each magnet have?

Each smaller magnet will have two poles, just like the larger magnet.
500

What is one way to make an electromagnet stronger?

- use a larger iron core (nail)

- use more wire turns

- use thicker wire

- use more or bigger batteries

500

A type of electricity that occurs on the surface of objects. 

What is static electricity?