Understanding Energy Conversion Basics

Which of the following is an example of converting electrical energy into light energy?

• A car engine running

• A light bulb turning on

• A windmill spinning

• A person riding a bicycle

If you have a toy car that uses batteries, what type of energy conversion is taking place when the car moves?

• Chemical energy to mechanical energy

• Light energy to sound energy

• Thermal energy to electrical energy

• Sound energy to chemical energy

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Which of the following best describes the energy conversion in a solar panel?

• Mechanical energy to thermal energy

• Light energy to electrical energy

• Chemical energy to sound energy

• Electrical energy to chemical energy

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What type of energy conversion occurs when you eat food and then run?

• Chemical energy to mechanical energy

• Electrical energy to light energy

• Sound energy to thermal energy

• Light energy to chemical energy

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When you rub your hands together, what type of energy conversion is taking place?

• Mechanical energy to thermal energy

• Light energy to chemical energy

• Electrical energy to sound energy

• Chemical energy to light energy

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What type of energy conversion occurs in a hydroelectric dam?

• Mechanical energy to electrical energy

• Chemical energy to sound energy

• Light energy to thermal energy

• Electrical energy to mechanical energy

Which of the following describes the energy conversion in a battery-powered flashlight?

• Electrical energy to light energy

• Chemical energy to electrical energy

• Light energy to thermal energy

• Chemical energy to light energy

When a toaster is used, what type of energy conversion takes place?

• Electrical energy to thermal energy

• Mechanical energy to chemical energy

• Light energy to sound energy

• Chemical energy to electrical energy

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Which of the following is an example of converting mechanical energy into sound energy?

• A bell ringing

• A light bulb glowing

• A car accelerating

• A plant growing

What type of energy conversion occurs when a plant uses sunlight to make food?

• Light energy to chemical energy

• Electrical energy to mechanical energy

• Thermal energy to sound energy

• Chemical energy to thermal energy

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