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WorksheetsP2.0654
Total questions: 51
Worksheet time: 26mins
Which unit is used to measure energy?
Newton
Joule
Watt
Volt
The energy of a moving object is called:
Potential energy
Chemical energy
Kinetic energy
Elastic energy
Which form of energy is found in a stretched rubber band?
Gravitational
Elastic
Thermal
Chemical
When a diver climbs onto a higher platform, which form of energy increases?
Kinetic
Thermal
Gravitational potential
Chemical
The energy stored in food and batteries is called:
Elastic
Chemical
Nuclear
Kinetic
When a car moves downhill, gravitational potential energy is mainly converted into:
Elastic energy
Kinetic energy
Chemical energy
Nuclear energy
When boiling water with a Bunsen burner, energy is transferred from _______ to _______.
heat → chemical
chemical → internal
kinetic → elastic
nuclear → electrical
Which transfer is related to electric current?
Heat
Electric
Wave
Mechanical
When a force causes an object to move, it is said to:
Do work
Create energy
Use heat
Produce electricity
Infrared radiation from the Sun transfers energy by:
Conduction
Convection
Waves
Electricity
A source of energy that can be naturally replaced is called:
Renewable
Non-renewable
Fossil
Chemical
Which of the following is non-renewable?
Solar energy
Wind
Fossil fuels
Geothermal
What happens to non-renewable resources after they are used?
They are replaced
They last forever
They disappear forever
They regenerate
Which of the following are renewable energy sources?
Coal, oil, gas
Wind, solar, biofuels
Uranium, coal, oil
Natural gas, nuclear
Approximately what percentage of the world's energy in 2018 came from fossil fuels?
15%
27%
85%
50%
Which energy source uses sunlight directly to generate electricity?
Solar panel
Turbine
Boiler
Generator
Fossil fuels are described as _________ because they will run out.
Renewable
Non-renewable
Green
Reliable
Which statement about renewable energy is correct?
They cause global warming
They never require sunlight or wind
They are naturally replenished
They are always cheap
The energy from the Sun that causes wind and waves is due to:
Nuclear fusion
Photosynthesis
Combustion
Evaporation
Biofuels are renewable because:
They are unlimited
They can be replanted
They are found underground
They contain uranium
Solar energy is not reliable because:
It only works during the day
It needs wind
It uses fossil fuels
It is radioactive
Which of the following has 'no fuel cost'?
Solar energy
Wind
Hydropower
All of the above
What type of energy does a wind turbine convert into electrical energy?
Kinetic
Chemical
Nuclear
Elastic
The Sun is the source of all energy sources except:
Geothermal, nuclear, tidal
Solar, wind, biofuel
Fossil, hydroelectric, wave
Wind, solar, geothermal
A large area of solar panels is necessary because:
Solar energy is diffuse
Sunlight is strong
The panels are heavy
Energy is easily stored
A large area of solar panels is necessary because:
Solar energy is diffuse
Sunlight is strong
The panels are heavy
Energy is easily stored
Wind energy is unreliable because:
It only works at night
Wind speed can vary
It depends on sunlight
It requires fuel
Hydroelectric energy is produced by:
Burning water
Moving air
Falling water turning turbines
Solar radiation
Where is a wave power generator placed?
On land
In the desert
On the sea
Underground
Geothermal energy comes from:
Hot rocks inside the Earth
Ocean tides
Wind
Burning coal
The main source of tidal energy is:
The Sun
The Moon
The Earth's core
Uranium
Nuclear power plants use energy from:
Nuclear fusion
Nuclear fission
Burning uranium
Chemical reactions
In nuclear fission, a large nucleus:
Combines with another nucleus
Splits into smaller nuclei
Absorbs energy
Becomes stable
The fuel commonly used in nuclear power plants is:
Uranium
Coal
Hydrogen
Natural gas
The main disadvantage of nuclear energy is:
Expensive fuel
Radioactive waste
No electricity at night
Low energy efficiency
Geothermal energy is reliable because:
It depends on the weather
It uses energy stored in hot rocks
It needs sunlight
It burns coal
The initial energy released by biofuels comes from:
The Earth's core
The Sun
Fossil fuels
Wind
Fossil fuels are mainly composed of:
Metals
Water
Hydrocarbons
Minerals
Burning fossil fuels produces:
Water and nitrogen
Oxygen
Carbon dioxide
Helium
Burning coal and oil also produces:
Sulfur dioxide
Hydrogen gas
Methane
Ammonia
Biofuels can include:
Wood, animal manure, biogas
Uranium and plutonium
Hydrogen and helium
Oil and gas
The device that generates electricity by electromagnetic induction is:
Boiler
Turbine
Generator
Transformer
A turbine is a device that:
Produces light
Rotates by moving air or water
Burns fuel
Stores heat
What is a boiler used for?
Storing energy
Converting steam into water
Boiling water into steam
Generating wind
“To work” means:
To use heat
To transfer energy by force
To use sunlight
To generate electricity
The equation for work done is:
Work = mass × height
Work = force × distance
Work = energy ÷ time
Work = power × time
The formula for power is:
Power = work × time
Power = energy × time
Power = energy ÷ time
Power = distance ÷ force
The unit of power is:
Joule
Watt
Newton
Meter
Work is done when:
Something moves
The temperature changes
A sound is produced
A reaction occurs
The farther an object moves in the direction of the force, the work done becomes:
Smaller
Larger
The same
Zero
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