MELTS/ Circuits

Which of the following best uses mechanical energy to perform a useful task? 

• flashlight
• pencil sharpener
• candle
• solar calculator

What energy form is this? 

• Mechanical
• Light
• Sound
• Electrical

The type of energy that allows us to hear is

• Mechanical
• Sound
• Light
• Electric

What type of energy is generated when a doorbell rings? 

• Light
• Thermal
• Sound
• Solar

Which is NOT an example of the use of sound energy? 

• beating a drum
• talking
• playing music on the radio
• cooking hot dogs

Energy produced by vibrations. 

• mechanical
• sound
• light
• thermal

What form of energy is this? 

• Sound
• Electrical
• Thermal
• Light

What form of energy is this? 

• Sound
• Thermal
• Light and Electrical
• Mechanical

The Sun produces

• light and heat energy
• sound and light energy
• heat and sound energy
• electrical and light energy

What object can change electrical energy into light energy?

• A candle
• A fire
• A lamp
• A radio