Energy Transformations

Front

People get energy from the food that they eat and transform that energy as they move. Which energy transformations occur as a student rapidly rubs the palms of his hands together?

Back

chemical to mechanical to thermal

Front

Which of the following would be an example of the following energy transformation: Electrical -> Mechanical -> Sound

Back

A pencil sharpener plugged into a wall outlet

Front

The picture shows a lamp. Which three forms of energy is the lamp using?

Back

electrical, light, and heat

Front

The blades of a wind turbine are at rest until the movement of air causes the blades to spin. Which energy transformation happens when the blades are spinning?

Back

Mechanical to electrical

Front

The diagram below represents energy transformations in a moving electric toy car. Which form of energy is the original source of power for this car?

Back

radiant

Front

The picture shows a woman running. What is the main type of energy conversion taking place?

Back

Chemical energy is converted to mechanical energy as the energy from digested food provides energy for movement.

Front

As a candle burns, the chemical energy stored in the wax is transformed into

Back

heat and light

Front

What type of energy does a wrecking ball use to destroy walls?

Back

mechanical energy

Front

The picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following types of energy EXCEPT — chemical, radiant, thermal, mechanical

Back

chemical