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WorksheetsEnergy Conversions
Total questions: 30
Worksheet time: 23mins
The picture showing the energy conversion
Electrical → light
is:
What is the energy conversion when you plug in a fan?
light to mechanical (motion)
electrical to heat
mechanical (motion) to light
electrical to mechanical (motion)
What is the energy conversion when water moves over a dam to power a city's energy grid?
electrical to light
mechanical (motion) to electrical
solar (light) to electrical
mechanical (motion) to light
Which of the following conversions is illustrated with a solar powered car?
radiant (light) to electrical
radiant (light) to mechanical (motion)
mechanical to radiant (light)
electrical to mechanical (motion)
What is the energy conversion when a wind turbine turns to provide energy to a power grid?
electrical to electrical
electrical to mechanical (motion)
mechanical (motion) to electrical
solar (light) to heat
An example of electrical energy transforming to thermal energy is
a fire burning.
using a toaster.
burning coal.
lighting a candle.
Energy of motion is also called ______________ energy.
Kinetic
Chemical
Thermal
Electrical
The object shown is responsible for which conversion
electrical → light only
chemical → heat only
chemical → heat & light
electrical → heat & light
The picture showing the energy conversion
Chemical → light & heat
is:
What is the energy conversion when you put batteries in a flashlight to make it turn on?
chemical to light
light to kinetic
chemical to thermal
nuclear to light
What is the energy conversion when you plug in a charger to charge a battery?
electrical to light
kinetic to potential
thermal to chemical
electrical to chemical
What is the energy conversion when you have a skateboard at the top of the hill then move down?
kinetic to potential
potential to kinetic
potential to thermal
electrical to kinetic
What is the energy conversion when you eat food for fuel to go for a run?
chemical to nuclear
kinetic to chemical
chemical to kinetic
potential to chemical
What is the energy conversion when photosynthesis takes place as the sun makes a plant grow?
electrical to chemical
potential to nuclear
chemical to potential
light to chemical
When a frog eats an insect and then hops off, which energy conversions are taking place
chemical to mechanical
mechanical to chemical
chemical to electromagnetic
electromagnetic to chemical
At which position on the pendulum would you find the least potential energy?
1
2
3
4
Which object listed below would have the greatest potential energy?
car in the parking lot
roller coaster at the top of a hill
squirrel on the roof of a house
book on a shelf
Which of the following best illustrated potential energy converting to kinetic energy?
water flowing over a cliff
rubber band being stretched
electricity making a light bulb light up
stone lying on top of a mountain
Students are using the set up for a lab. How could they increase the potential energy of the marble?
switch the ruler to a wooden one
push the marble down the ramp
use a stone instead of a marble
add more books beneath the ruler
A moving object is demonstrating which type of energy?
Electromagnetic
Chemcial
Potential
Kinetic
Harry is playing a hand-held video game. The source of energy for the device is a battery. Which on of the following sequences shows the correct transformation of energy?
Electromagnetic to Chemical
Chemical to Electromagnetic
Light to Chemical to Sound
Chemical to Electrical to Electromagnetic
Potential and Kinetic energy are both increased by?
height
movement
mass
time
What is it called when energy is changed into another form?
production
loss
conversion
Hydroelectric dams generate electricity by......
converting mechanical energy to electrical
converting chemical energy to potential
converting heat energy to nuclear
converting electromagnetic to chemical
Energy transmitted through space in the form of waves. Can go through empty space.
electromagnetic energy
mechanical energy
sound energy
