Circuits

If you replace the paper clip with a plastic spoon, what happens?

• The bulb doesn't light
• The bulb is dimmer
• The wires get hot
• There is no change

Tags

NGSS.3-PS2-3

NGSS.4-PS3-2

A series circuit has ____ path(s) that the electric current can take. 

• One
• Two 
• Three 
• Four

Would would best complete this circuit?

• A wire
• A switch
• A battery
• A light bulb

The images show various electric circuits.

In which case will the current flow and the bulb glow?

• 
• 
• 
• 

Which material is a conductor?

• copper

• glass

• plastic

• wood

Which statement best describes how plastics and wooden materials are similar?

• Plastics and wooden materials are good conductors of electricity.

• Plastics and wooden materials reflect all light.

• Plastics and wooden materials are poor conductors of electricity.

• Plastics and wooden materials cannot absorb sound.

An electrician wears rubber gloves while working in a house. What property of rubber makes rubber gloves safe to wear when working with electricity?

• Rubber is flexible and easy to wear.

• Rubber acts as an insulator of electricity.

• Rubber acts as a conductor of electricity.

• Rubber helps in holding electrical instruments easily.

What is a switch's function in a circuit?

• to make the current hotter or colder
• turn on and off the flow of current
• the pathway that current flows
• to add more power to the circuit

wood is a _____?

• conductor
• insulator

Tags

NGSS.5-PS1-3

A material in which electrons are not able to move easily 

• Circuit 
• Insulator 
• Resistance 
• Conductor

Tags

NGSS.HS-PS2-5