Energy Transformations

Front

Device with energy transformations: Electrical → Mechanical → Sound. Options: A triple beam balance measuring an object’s mass., A pencil sharpener plugged into a wall outlet., A projector displaying a diagram on the screen., A working flashlight used to light up a dark corner.

Back

A pencil sharpener plugged into a wall outlet.

Front

Which of these is an example of light energy being transformed into chemical energy? Options: A glow stick lights up when broken., Water heated by the sun evaporates., A plant makes sugar in the sunlight., A battery causes a buzzer to vibrate.

Back

A plant makes sugar in the sunlight.

Front

Which kind of energy change occurs when a candle is burning?

Back

Chemical to light.

Front

Which type of energy transformation occurs when a flashlight shines?

Back

chemical → electrical → light

Front

Energy transformations when water falls through a dam and turns a turbine connected to a generator.

Back

mechanical → electrical → light

Front

Energy transformations in a lamp that plugs into a wall socket and causes the bulb to glow.

Back

electrical → thermal → light

Front

Energy transformations in a flashlight when turned on: chemical → light → electrical, electrical → light → chemical, light → electrical → chemical, chemical → electrical → light

Back

chemical → electrical → light

Front

Order of energy transformations when green plants produce food from the Sun's energy: chemical → thermal, light → chemical, thermal → light, chemical → electrical

Back

light → chemical

Front

Energy transformation in solar panels used to heat a building: light → thermal, chemical → electrical, thermal → chemical, light → mechanical

Back

light → thermal

Front

The picture shows a light bulb attached to a hand generator. What energy transformation occurs as the handle of the generator is turned?

Back

mechanical → electrical → light