Building Electrical Circuits Review

Which material is a good conductor of electricity?

• Plastic

• Wood

• Copper

• Rubber

What is the primary reason metals are used in electrical circuits?

• They are shiny

• They are flexible

• They conduct electricity well

• They are magnetic

What is the name of the material that does not allow electricity to pass through?

• Conductor

• Semiconductor

• Insulator

• Resistor

Which of the following materials is NOT a conductor?

• Aluminum

• Steel

• Rubber

• Copper

What happens to the brightness of lamps if you add another battery in a series circuit?

• A) Lamps become dimmer

• B) Lamps become brighter

• C) Lamps turn off

• D) Nothing changes

In a series circuit, what happens if one lamp breaks?

• A) The other lamps will remain lit

• B) The other lamps will turn off

• C) The brightness of other lamps increases

• D) The circuit becomes a parallel circuit

What would make a motor spin faster in a circuit?

• Adding more wires

• Adding another battery

• Removing a switch

• Adding more bulbs

Why are plastic coverings used on electrical plugs?

• To conduct electricity

• To prevent electric shocks

• To add weight to the plug

• To reduce heat

Which symbol represents a battery in a circuit diagram?

• 
• 
• 
• 

What type of circuit allows electricity to flow in multiple paths?

• Series Circuit

• Parallel Circuit

• Short Circuit

• Closed Circuit