Electricity

A particle that carries a negative electric charge is called a(n) ______.

• neutron
• atom
• proton
• electron

which of the following materials are best used as insulators?

• Wood

• Rubber

• Metal

• Plastic

A science class was completing an experiment on electrical circuits. Why did the bulb go out each time the switch was opened?

• Opening the switch broke the circuit

• The battery was probably going flat

• There was too much electricity flowing

• Opening the switch closed the circuit

Which would make the strongest electromagnet?

• A battery with 4 wire coils around a nail

• A battery with 6 wire coils around a nail

• A battery 10 wire coils around a nail

• A battery with 8 wire coils around a nail

Electricity that flows in a closed path is called a

• path
• current
• circuit

To complete a circuit the switch must be

• unattached
• open
• closed

If the lights are on, the circuit is

• closed
• open

If the lights are off, the circuit is

• closed
• open

Two types of circuits are

• parallel and magnetic
• electromagnetic and series
• series and parallel

In a ________ circuit there are multiple paths for the current to take.

• Series
• Parallel