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WorksheetsEnergy
Total questions: 10
Worksheet time: 8mins
What is used to gain speed in ski jumping?
Kinetic energy
Nuclear energy
Potential energy
Thermal energy
What gives an object gravitational potential energy?
Chemical attraction
Electric attraction
Gravitational attraction
Magnetic attraction
What converts the potential energy of water into electricity in hydropower plants?
Turbines
Heat pumps
Solar panels
Generators
What is the purpose of pumped-storage hydroelectric plants?
Regulating energy released to the grid
Producing wind energy
Producing oil (ON)
Producing solar energy
What affects the value of gravitational potential energy in the formula Ep=mgh ?
Height
Mass
Gravitational acceleration
What does kinetic energy depend on?
Only mass
Only velocity
Mass and velocity
Position
Which unit expresses kinetic energy?
Newton
Joule
Watt
Volt
What is kinetic energy?
Chemical energy
Energy related to motion
Thermal energy
Renewable energy
Which formula represents kinetic energy?
Ek=2mv2
Ek=2mv
Ek=m⋅v
Ek=mgh
Why does a train have more kinetic energy than a car at the same speed? What's the cause?
mass
speed
size
colour
