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Worksheets6.9 C
Total questions: 10
Worksheet time: 5mins
Some students observing a classroom device being used noticed the following energy transformations:
Electrical -> Mechanical -> Sound ->
Which device were the students most likely looking at?
A triple beam balance measuing 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
Which of these is an example of light energy being transformed into chemical energy?
A glow stick lights up when broken
Water heated by the sun evaporates
A plant makes sugar in the sunlight
A batter causes a buzzer to vibrate
Which kind of energy change occurs when a candle is burning?
Chemical to light
Light to electrical
Solar to heat
Chemical to electrical
Which type of energy transformation occurs when a flashlight shines?
Chemical -> thermal -> electrical
Chemcial -> electrical -> light
Thermal -> chemical -> light
Chemical -> electrical -> chemical
When water falls through a dam and turns a turbine connected to a generator, electricity is produced. This electricity is often used to light our homes and offices. Which of the following shows the energy transformations that occur?
electrical -> light -> mechanical
chemical -> mechanical -> electrical
mechanical -> chemical -> light
mechanical -> electrical -> light
The picture shows a light bulb attached to a hand generator. What energy transformation occurs as the handle of the generator is turned?
Thermal to Solar to Light
Solar to Light to Electrical
Mechanical to Electrical to Light
Electrical to Mechanical to Light
Which of the following transforms chemical energy into light energy?
A timer running on a battery
a compass
a lamp plugged in to the wall outlet
a burning candle
A light bulb being powered by a battery. How does the energy change as it moves inside the battery, along the wires and through the light bulb?
electrical to light to chemical
light to electrical to chemical
chemical to electrical to light
chemical to light to electrical
Which of the following shows the energy transformation that occurs when solar panels are used to heat a building?
light to thermal
chemical to electrical
thermal to chemical
light to mechanical
A microwave oven takes electrical energy and transforms it into all of the following EXCEPT
chemical energy
light energy
thermal energy
mechanical energy
