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WorksheetsEnergy
Total questions: 50
Worksheet time: 43mins
State the transformation of energy occurs when using an electric pencil sharpener?
electrical energy --> kinetic energy + sound energy
sound energy --> electrical energy + kinetic energy
kinetic energy --> electrical energy + potential energy
potential energy --> sound energy + kinetic energy
Which object shows an energy transformation from electrical energy change to kinetic energy and sound energy?
What energy transformation occurs when an electric pot is plugged into an outlet and then the control knob is turned "on"?
heat energy --> electrical energy
kinetic energy --> heat energy
electrical energy --> heat energy
electrical energy --> sound energy
What the transformation of energy happens in hydro-electric power station?
kinetic energy --> potential energy
sound energy --> potential energy + kinetic energy
chemical energy --> electrical energy
potential energy --> kinetic energy --> electrical energy
Which of the following energy transformations occur when the lamp is plugged into the outlet and the bulb?
heat energy --> electrical energy --> light energy
electrical energy --> light energy + heat energy
light energy --> heat energy --> electrical energy
electrical energy --> heat energy --> light energy
Two friends decided to go to the park and watch a movie on a computer. The computer runs on battery power. What energy transformation is occurring when they watched the movie?
chemical energy --> light energy + sound energy
kinetic energy --> chemical energy --> electrical energy
potential energy --> electrical energy --> light energy
chemical energy --> electrical energy --> light energy + sound energy
What form of energy is stored in batteries or food?
Potential energy
Thermal energy
Chemical energy
Kinetic energy
State the transformation of energy when riding a bicycle?
chemical energy --> kinetic energy
electrical energy --> chemical energy
chemical energy --> potential energy +sound energy
sound energy --> kinetic energy
Ariz cycling at night and he needs to use the bicycle dynamo to light up the bicycle lamp. State the transformation of energy.
kinetic energy --> electrical energy--> light energy
light energy --> electrical energy
heat energy --> electrical energy --> light energy
sound energy --> light energy
Which object requires only kinetic energy to perform its main function?
A
B
C
D
What is the transformation of energy when a gas oven is used to bake a cake?
Light energy --> sound energy + heat energy
Electrical energy --> heat energy
Heat energy --> electrical energy +kinetic energy
Chemical energy --> heat energy + light energy
As a log burns and turns to ash, the transformation of energy is chemical energy --> heat energy + light energy.
True
False
Lightning is a transfer of ______ energy.
potential
nuclear
chemical
electrical
What kind of energy is in a rock at the edge of a cliff?
Potential energy
Kinetic energy
Chemical energy
Sound energy
Which is the best example that something has kinetic energy?
a car parked on a steep hill
a tennis ball rolling across the court
a picture hanging on the wall
a piece of coal before it's burned
What type of energy transformation occurs in an electric fan?
electrical energy --> kinetic energy + sound energy
light energy --> kinetic energy
chemical energy --> light energy
electrical energy --> nuclear energy
What type of energy transformation occurs in an electric hot plate that is turned on?
heat energy --> electrical energy
electrical energy --> heat energy
heat energy --> kinetic energy
kinetic energy --> heat energy
When a car burns petrol in the engine, which causes the car to move. What energy transformation occur from the fuel to the movement of a car?
heat energy --> kinetic energy
heat energy --> chemical energy --> kinetic energy
chemical energy --> kinetic energy --> heat energy + sound energy
chemical energy --> electrical energy
Which of the following is a true statement about using different energy resources?
Wind power is an expensive, non renewable source of energy for the production of electrical energy
Solar power is a clean, renewable source of energy used in the production of electricity
Coal is a safe effective renewable source of energy used in the production of electricity
Nuclear power is a cost effective, nonrenewable energy resource that leaves behind no waste
What energy transformations take place when a battery-operated radio is in use?
Electrical --> chemical energy light
Sound energy --> chemical energy --> kinetic energy
Chemical --> electrical energy --> sound energy
Light --> electrical energy --> heat energy
The diagram shows a complete circuit with a battery and a buzzer making noise. This circuit works by transforming -
chemical energy-->electrical energy-->sound.energy
electrical energy --> heat energy + light.energy
sound energy --> electrical energy --> chemical energy
kinetic energy --> electrical energy --> sound energy
A student listens to music with a digital music player, similar to the one shown. Which best describes the energy transformations that take place in the music player?
Kinetic energy --> chemical energy --> electrical energy
Chemical energy --> sound energy --> electrical energy
Chemical energy --> electrical energy --> sound energy + light energy
Electrical energy --> heat energy + sound energy
Which energy does the sun produce? (2 answers)
Kinetic Energy
Electrical Energy
Light Energy
Heat Energy
Energy can be __________ from one object to another. (2 answers)
Transported
Teleported
Transferred
Transposed
Transformed
State the transformation of energy when a calculator is in used.
Electrical energy --> light energy
Electrical energy --> heat energy
Potential energy --> sound energy
Chemical energy --> electrical energy --> light energy
What energy transformation occurs during photosynthesis?
Chemical energy--> Light energy
Heat energy --> Chemical energy
Light energy --> Chemical energy
Kinetic energy --> Heat energy
The picture shows a microwave oven. As a microwave oven is operated, electrical energy is transformed into all of the following forms of energy EXCEPT —
solar
light
heat
kinetic
What kind of energy transformation takes place in this system?
chemical energy -- electrical energy --> light energy
electrical energy --> chemical energy --> light energy
electrical energy --> light energy --> chemical energy
light energy --> chemical energy --> electrical energy
What is the best example of a device that converts electrical energy to heat energy?
a toaster
a clock radio
a flashlight
an electric toothbrush
What are the two forms of energy given off by a burning candle?
heat energy and light energy
kinetic energy and electrical energy
nuclear energy and light energy
potential energy and heat energy
Which of the following best describes the energy transformations that occur when a flashlight that runs on batteries is turned on?
chemical energy --> electrical energy --> light energy
light energy --> electrical energy --> sound energy
chemical energy -->light energy --> kinetic energy --> electrical energy
electrical energy --> light energy --> chemical energy
How are different forms of energy related?
they can all be transformed into other forms of energy
none of them can be transformed into other forms of energy
they can be created
they can be destroyed
Electrical energy - -> Kinetic energy + Sound energy
A triple beam balance measuring an object’s mass
A pencil sharpener in used
A projector in used
A working flashlight
Making a Fruit Smoothie is YUMMY!
Plug a Blender into the wall outlet, and you're ready to go.
Which choice below BEST shows the energy transformation of making a smoothie?
Electrical energy --> Kinetic energy + Sound energy
Electrical energy --> Chemical energy
Kinetic energy --> Sound energy
Kinetic energy --> Heat energy
A hot air balloon has the following energy transformations__________.
Heat energy --> Chemical energy --> Electrical energy
Chemical energy --> Heat energy --> Kinetic energy
Heat energy --> Kinetic energy
Heat energy --> Chemical energy
Mr. Razif's students are complaining that it is hot in the classroom. He turns on the fan, what energy transformation now occurs?
Kinetic energy --> electrical energy
electrical energy --> kinetic energy + sound energy
chemical energy --> kinetic energy
electromagnetic --> kinetic energy
A television works by transforming electrical energy into other forms of energy. Which of the following is the correct answer?
Light, heat, and sound energy
Heat, chemical, and solar energy
Sound, kinetic, and electrical energy
Light, chemical, and potential energy
Which of the following devices transform electrical energy to heat energy?
Which of the following is not a source of biomass energy?
State the transformation of energy when washing machine is in used.
Kinetic energy --> electrical energy + heat energy
Chemical energy --> electrical energy + kinetic energy
Electrical energy --> kinetic energy + sound energy
Electrical energy --> potential energy + heat energy
The diagram shows an object. What are the forms of energy involved when the above object functions?
K and L
K and M
L and M
M and N
Which of the following ways can save energy?
Recycle waste materials
Turn on electrical appliances all the time
Increase the use of fossil fuels
Reduce the use of renewable energy sources
Which of the following can save energy?
Spend hours playing computer games
Reuse and recycle wastes
Opening windows to allow wind to blow into the room
Taking public transportation
What advice helps us save electrical energy?
Use energy-saving bulbs.
Leave the appliances plugged in at night.
Leave the TV on.
Use air conditioning every day.
What is the most relevant consequence of not saving energy?
There will be short circuits.
We do not see.
Exhaustion of non-renewable energies.
That there will no longer be light.
What should we do to save energy?
Always open the fridge door.
Turn on air-conditioner in winter.
Turn off the light when you leave a room.
Open the door when air conditioner is on.
Which way can be used to save energy?
Driving a car to a nearby grocery shop
Using a washing machine every day
Carpooling to a workplace
Opening the door of a refrigerator frequently
