Electrical and Circuits

Why is electrical wiring usually made from copper?

• Because copper is shiny

• Because copper conducts electricity

• Because copper is not magnetic

• Because copper insulate electricity

Tags

NGSS.MS-ETS1-1

A material that does NOT let electricity pass through it is called ...

• An electrical conductor

• An electrical insulator

• An electrical source

• An electric appliance

An incomplete circuit is shown.
To complete the circuit, a wire should be placed from —

• Point D to Point C
• Point B to Point C
• Point A to Point D
• Point B to Point D

Tags

NGSS.4-PS3-2

This circuit has a battery, buzzer, and switch.
When the switch is closed the buzzer will sound because -

• the switch gives energy to the battery
• the buzzer is made of special plastic
• the wires are cooled by the surrounding air
• electricity can flow in a complete path

Tags

NGSS.4-PS3-2

Choose the correct sentence.

• This circuit will work because it is an open circuit.
• This circuit will work because it is a closed circuit.
• This circuit will NOT work because it is an open circuit.
• This circuit will NOT work because it is a closed circuit.

Tags

CCSS.RI.5.8

CCSS.RL.6.1

CCSS.RI.4.8

CCSS.RL.4.5

CCSS.RI.6.8

Why is electrical wiring usually are covered with a layer of plastic?

• To make it look pretty

• To help electricity flow along the wire

• To make it safe

• To add more energy

Tags

NGSS.MS-ETS1-1

Which of these materials is a good insulator?

• Plastic and metal
• Metal and rubber
• Plastic and rubber

Tags

NGSS.5-PS1-3

Metal is used to make electrical wires because_______.

• It allows an electric current to freely flow.
• It slows electric currents from flowing.
• It is very cheap.
• It is very expensive.

Tags

NGSS.4-PS3-2

NGSS.5-PS1-3

What is the energy source for a circuit?

• Light bulb
• Battery
• Wire
• Switch

Tags

NGSS.4-PS3-2

What is it called when a circuit is complete?

• Closed circuit
• Light bulb circuit
• Open circuit
• Series circuit

Tags

NGSS.4-PS3-2