Electricity Test Review

Conductor or Insulator?

• Conductor

• Insulator

Answer explanation

A conductor is something that allows electricity to flow through.

Conductor or Insulator?

• Conductor

• Insulator

Answer explanation

An insulator keeps electricity from flowing

Which item could you connect to make the light bulb shine?

• 
• 
• 
• 

Answer explanation

The metal coin is a conductor - all other options were insulators.

What is the purpose of a light bulb in a circuit?

• Provides a source of energy

• Transforms electrical energy to radiant

• Allows the flow of negative particles

Answer explanation

The flow of electricity from the closed circuit will power the light bulb, transforming the energy into radiant and thermal energy.

What is the purpose of a battery in a circuit?

• Provides a source of energy

• Transforms electrical energy to radiant

• Allows the flow of negative particles

Answer explanation

The flow of electricity from the closed circuit will power the light bulb, transforming the energy into radiant and thermal energy.

What is the purpose of a battery in a circuit?

• Provides a source of energy

• Transforms electrical energy to radiant

• Allows the flow of negative particles

Answer explanation

The flow of electricity from the closed circuit will power the light bulb, transforming the energy into radiant and thermal energy.

Which are examples of static electricity?

• Flashlight

• Neon/Light Up Sign

• Balloon on hair

• Lightning striking the ground

Why would lights not work when the switch is open?

• The bulb is too strong

• Electricity moving backwards

• it is a closed circuit

• Electricity cannot flow

When a fan is on, the electrical energy becomes...

• mechanical

• thermal

• radiant

When a lamp is on, the electrical energy becomes...

• mechanical

• thermal

• radiant