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WorksheetsEnergy Transfer Y10
Total questions: 25
Worksheet time: 1hrs 1mins
Why is solar energy considered renewable energy?
It's cheaper than fossil fuels
The sun's energy would not run out for billions of years
Solar energy recharges batteries
All of them
Which of the following is a disadvantage of fossil fuels?
Not easily available
causes pollution when burned
only available at certain times
creates long lasting waste
Generating hydroelectric power is most practical in an area with a
large river
forest
desert
thermal vent
Almost all the energy in food and fuels can be traced to energy from _____.
the Sun
inside the earth
food
water
An aeroplane is landing. As it descends towards the runway, its speed reduces. What are the energy changes that take place during the descent?
kinetic + gravitational → thermal (heat)
kinetic → gravitational + thermal (heat)
kinetic + thermal (heat) → gravitational
thermal (heat) → kinetic + gravitational
Energy from uranium is transferred to electrical energy in a nuclear power station. What is the correct order of the stages of this process?
boiler → generator → reactor → turbine
generator → boiler → turbine → reactor
reactor → boiler → turbine → generator
reactor → turbine → boiler → generator
Near the ceiling of a room the air is warmer. The warm air rises because of
conduction
convection
radiation
An iron is placed on your clothes to smooth out the wrinkles. The iron transfers heat to your clothes through
conduction
convection
radiation
How far does a car that weighs 5,000 N go if 18,000 J of work is done on it?
3.8 m
3.7 m
3.2 m
3.6 m
In which scenario is work = 0 J ?
Pushing a stationary wall
Pulling a trolley car
Pushing a book across the table
Dropping a set of keys from a height, h.
What is the formula for calculating potential energy?
A) E = mgh
B) E = 0.5mv²
C) E = Pt
D) W = Fd
What is the formula for calculating kinetic energy?
A) E = mgh
B) E = 0.5mv²
C) E = Pt
D) W = Fd
What is the unit of energy commonly used in the SI system?
A) Joules (J)
B) Watts (W)
C) Newtons (N)
D) Meters (m)
What is the unit of power commonly used in the SI system?
A) Joules (J)
B) Watts (W)
C) Newtons (N)
D) Meters (m)
A light bulb consumes 60 watts of power and operates for 5 minutes. How much electrical energy does it use?
A) 30 J
B) 60 J
C) 300 J
D) 18,000 J
