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WorksheetsEnergy conversion
Total questions: 16
Worksheet time: 12mins
The picture showing the energy conversion. Which picture represent the correct energy conversion?
Chemical energy → Heat energy + light energy
Explain the energy conversion when you plug in a stereo and listen to music.
Electrical energy ---> Kinetic energy
Chemical energy ---> Heat energy
Electrical energy ---> Sound energy
Potential energy ---> Sound energy
State the energy conversion when you burn wood for a fire
Electrical energy ---> Heat energy
Light energy ---> Kinetic energy
Chemical energy ---> Light energy + Heat energy
Chemical energy ---> Electrical energy
Describe briefly the energy conversion when you put batteries in a flashlight to make it switched on.
Chemical Potential energy ---> Light energy + Heat energy
Light energy ---> Kinetic energy + Heat energy
Chemical Potential energy ---> Potential energy
Chemical Potential energy ---> Electrical energy
Which letter has the most gravitational potential energy?
Letter H
Letter E
Letter M
Letter Y
Name the energy conversion that occurs when Charlie rides his skateboard up to the top of the ramp. (Look closely to where the arrow is pointing.)
Chemical potential energy → Gravitational potential energy
Electrical energy → Light energy
Gravitational potential energy → Kinetic energy
Heat energy → Electrical energy
What is the main energy changes that take place when a dryer machine is switched on?
Chemical potential energy → Light energy
Electrical energy → Chemical potential energy
Gravitational potential energy → Sound energy + Heat energy
Electrical energy → Heat energy + Kinetic energy + Sound energy
As a ball rolls from the top of a hill to the bottom, how does its potential and kinetic energy change?
Potential energy and kinetic energy both decrease
Potential energy increases and kinetic energy decreases
Potential energy and kinetic energy both increase
Potential energy decreases and kinetic energy increases
As the height of an object increases, the ___________ energy of the object increases.
kinetic energy
potential energy
heat energy
sound energy
As the apple is falling down from a tree, the _____________ energy of the apple is decreasing.
kinetic energy
gravitational potential energy
kinetic energy and gravitational potential energy
sound energy
Which energy conversion is taking place when you put gasoline in a car?
Heat energy ----> Electrical energy
Kinetic energy ---> Electrical energy
Chemical potential energy ---> Kinetic energy + Sound energy
Chemical potential energy ----> Gravitational potential energy
A student listens to music with a digital music player, similar to the one shown below. Which best describes the energy transformations that take place in the music player?
Kinetic energy to chemical energy to electrical energy
Chemical potential energy to sound energy to electrical energy
Chemical energy to electrical energy to sound energy
Electrical energy to heat energy to sound energy
Which of these following 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 battery causes a buzzer to vibrate.
What term do we call a change from one form of energy to another?
Energy destroyed
Energy transformation
Energy creation
Energy continuation
Suzanna lifts a sack of rice from the floor to a table. What form of energy from her body has Suzanna used and what form of energy has the sack of potatoes gained?
Used by Suzanna - Chemical energy , Gained by the sack of potatoes - Kinetic energy
Used by Suzanna - Chemical energy , Gained by the sack of potatoes - Potential energy
Used by Suzanna - Potential energy , Gained by the sack of potatoes - Kinetic energy
Used by Suzanna - Potential energy , Gained by the sack of potatoes - Potential energy
Ikwan hits a drum. What type of energy change is shown?
Kinetic energy --> Heat energy
Potential energy ---> Light energy
Kinetic energy ---> Sound energy
Chemical energy ---> Potential energy
