Energy Transformations in Everyday Devices

What energy transformation occurs when a person cycles?

• Chemical energy to heat energy

• Chemical energy to kinetic energy

• Kinetic energy to chemical energy

• Heat energy to kinetic energy

An electric iron converts electrical energy into what form of energy?

• Light energy

• Sound energy

• Heat energy

• Kinetic energy

Which of the following devices primarily converts electrical energy into kinetic energy?

• Electric stove

• Desk lamp

• Washing machine

• Radio

When a desk lamp is turned on, what energy transformation takes place?

• Chemical energy to light energy

• Electrical energy to light energy

• Heat energy to light energy

• Kinetic energy to light energy

What type of energy conversion occurs when a radio is playing music?

• Electrical energy to sound energy

• Chemical energy to sound energy

• Kinetic energy to sound energy

• Light energy to sound energy

A gas stove converts chemical energy from its fuel into what form of energy?

• Light energy

• Kinetic energy

• Sound energy

• Heat energy

How does a vehicle move?

• By converting electrical energy to kinetic energy.

• By converting chemical energy from fuel to kinetic energy.

• By converting heat energy to chemical energy.

• By converting kinetic energy to chemical energy.

When a drummer plays the drums, what energy transformation is primarily occurring?

• Chemical energy to sound energy

• Electrical energy to sound energy

• Kinetic energy to sound energy

• Heat energy to sound energy