Understanding Electricity and Circuits

What is the only rule when it comes to making circuits?

• They can have gaps

• They must be colorful

• They can't have any gaps

• They must be straight.

What happens when you flip the switch in a series circuit?

• Only one light comes on

• All lights come on

• Lights flicker

• Lights dim

Which component is used to reduce the amount of electricity flowing in a circuit?

• Diode

• Resistor

• Capacitor

• Transistor

Electrical engineers use their understanding of circuits to design devices such as ______.

• cars

• airplanes

• phones

• buildings

A capacitor in a circuit is used to ______.

• amplify the signal

• store electric charge

• reduce current flow

• allow better control of the flow

Which of the following is a function of a resistor?

• To store electric charge

• To reduce current flow

• To allow electricity to flow in one direction

• To amplify the signal.

Materials that electricity cannot easily flow through are known as?

• Conductors

• Insulators

• Circuits

• Volts

Electricity is the flow of ______ from one place to another.

• water

• air

• electrical energy

• sound

Which of the following is NOT a conductor?

• Metal

• Wood

• Copper

• Aluminum

Which of the following is an insulator?

• Rubber

• Copper

• Aluminum

• Iron