Describe what happens to energy when you switch on a flashlight. What types of energy are involved in this transformation?
Chemical energy (battery) into light energy
Explain the energy transformation that takes place when a person eats food and then rides a bicycle.
Chemical into kinetic and heat energy
Describe the energy changes that occur when you toast bread in a toaster.
Electrical energy into thermal (heat) energy.
What energy transformation happens in a car engine when the car is moving?
Chemical into themal and kinetic energy.
Explain how a wind turbine generates electricity in terms of energy transformation.
Kinetic energy into electrical energy.
What energy transformations take place when you play music on a speaker from your phone?
Electrical energy into sound and light energy
