Energy Transformation Review

Front

Which of the following shows an energy transformation from chemical energy to electrical to light energy? A bolt of lightning lights the night sky. A candle glows brightly in the dark. A fire in a fireplace lights up a room. A battery causes a flashlight to shine.

Back

A battery causes a flashlight to shine.

Front

What energy transformations take place when a battery-operated radio is in use?

Back

Chemical to electrical to sound

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

The diagram shows a complete circuit with a battery and a buzzer making noise. This circuit works by transforming -

Back

chemical energy to electrical to sound.

Front

A television works by transforming electrical energy into what other kinds of energy?

Back

Light, thermal, and sound

Front

Which of the following best describes the energy transformations that occur when a flashlight that runs on batteries is turned on? Options: chemical to mechanical to electrical to radiant, radiant to electrical to sound, chemical to radiant to mechanical to electrical, electric to radiant to chemical

Back

chemical to mechanical to electrical to radiant

Front

Which of the following shows the correct order of the energy transformations that occur when green plants produce their food from the Sun’s energy?

Back

light to chemical

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 —

Back

solar

Front

The purpose of the panels is to change solar energy into ____________.

Back

electrical energy

Front

What energy transformations occur when propane gas is used to lift a hot air balloon?

Back

Chemical to thermal to mechanical