Energy Quiz 2

Adam had a string of lights. The whole string of lights stopped glowing when one of the lightbulbs burned out. What caused this to happen?

• The burned-out lightbulb opened the circuit.

• The burned-out lightbulb closed the circuit.

• The burned-out lightbulb drained the power source.

• The burned-out lightbulb caused a surge in the power source.

The diagram shows a battery, lights, wires, and a switch. What type of energy is being depicted in the diagram?

• electrical

• electromagnetic

• mechanical

• thermal

Which circuit is most likely able to conduct electricity?

• 
• 
• 
• 

Students were given the following items and asked to make the light bulb light up. Why will the bulb light up?

• The bulb will light because thermal energy is transformed.

• The bulb will light because mechanical energy is transformed.

• The bulb will light because the students created a closed circuit.

• The bulb will light because the students created a transparent circuit.

How is thermal energy transferred?

• by a dry object touching a wet object

• by a warm object touching a cool object

• by a cool object touching another cool object

• by a warm object touching another warm object

Electrical energy can be transformed into which type of energy in a toaster?

• Mechanical energy

• Chemical energy

• Thermal energy

• Nuclear energy

What happens to the electrical energy that is not converted into useful energy in an electrical device?

• It disappears

• It is stored for later use

• It is converted into mechanical energy

• It is often converted into thermal energy

Which of the following is an example of thermal energy?

• A windmill turning in the wind

• A hot cup of coffee

• A battery powering a flashlight

• A ball rolling down a hill

During a sunny day at the beach, how does heat transfer from the sand to your feet?

• From the cooler sand to the warmer feet

• From the warmer sand to the cooler feet

• Heat does not transfer between sand and feet

• In a circular motion between the sand and feet

What is the primary mechanism of heat transfer in fluids (gases and liquids)?

• Conduction

• Convection

• Radiation

• Insulation