Energy and Energy Transformations

Front

Energy transformation in a functioning lamp plugged into a wall socket: Chemical to light, Electrical to chemical, Electrical to light, Chemical to electrical

Back

Electrical to light

Front

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

Back

Chemical to electrical to sound

Front

Which of the following devices transforms electrical energy into mechanical energy?

Back

a fan

Front

Energy transformations in a flashlight when turned on.

Back

chemical to mechanical to electrical to radiant

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 — Options: solar, light, thermal, mechanical

Back

solar

Front

Turning on a lamp is an example of energy transformation from electrical to 3 forms of energy. Which of these is NOT created by the lamp? Options: radiant, light, heat, chemical

Back

chemical

Front

Which energy transfer occurs when food is digested?

Back

chemical to mechanical

Front

In energy transformations, "wasted energy" usually takes what form? Options: heat, chemical energy, light, sound waves

Back

heat

Front

Where is maximum kinetic energy on a roller coaster? Options: At the bottom of a big hill, When going around a corner, When going upside down, At the top of a big hill

Back

At the bottom of a big hill

Front

According to the Law of Conservation of Energy, energy cannot be _________ or ____________.

Back

created, destroyed