Electrical Energy Quiz

Name two examples of conductors.

• Copper and aluminum

• Gold and silver

• Rubber and glass

• Wood and plastic

Name two examples of insulators.

• Rubber and glass

• Copper and aluminum

• Plastic and paper

• Metal and wood

What is a circuit?

• A type of dessert

• A type of bird

• A type of car

• A closed loop through which an electric current can flow.

What is the purpose of a circuit diagram?

• To show the connections and components of an electrical circuit using standardized symbols.

• To display the colors of the wires in the circuit

• To provide a step-by-step guide for building the circuit

• To show the temperature changes in the circuit

Which material allows electricity to flow through it easily: conductor or insulator?

• insulator

• wood

• conductor

• plastic

What happens when a circuit is broken?

• The flow of electricity is interrupted

• The flow of electricity increases

• The circuit becomes overloaded

• The circuit becomes more efficient

What is the purpose of a switch in a circuit?

• To regulate the temperature of the circuit

• To change the color of the circuit

• To increase the speed of the electricity

• To open or close the flow of electricity

You and your friends climb to the top of a hill to sled ride. You friend pushes you down the hill and end up at the bottom. When do you have the greatest amount of kinetic energy?

• while you are sliding down the hill

• while you are climbing the hill

• at the bottom of the hill, when you are stopped

• at the very top of the hill, just before your friend pushes you

A ______ is formed when an electric current passes through an unbroken path of conductors.

• circuit

• insulator

• electron

• proton

The purpose of the power source is to push electrons through the electric circuit.

• True

• False