Q.1
Which energy source is renewable?
  • Fuel oil
  • Natural Gas
  • WInd
  • Coal
Q.2
Energy of motion is called
  • elastic potential energy
  • kinetic energy
  • gravitational potential energy
  • chemical energy
Q.3
Which factor contributes to global warming?
  • increased use of solar-powered cars
  • increased burning of fossil fuels
  • better long-term weather forecasts
  • changing distance between Earth and Sun
Q.4
The Law of Conservation of Energy states that energy cannot be created or destroyed, but energy can change
  • its total mass
  • its total volume
  • from one form to another
  • from one state of matter to another
Q.5
Which form of energy is produced when a rubber band vibrates?
  • chemical
  • light
  • electrical
  • sound
Q.6
The unit for power is
  • Calorie
  • Work
  • Watt
  • Power
Q.7
All the following activities produce the same amount of work done EXCEPT
  • Lifting a box vertically through a height of 1 m with a force of 20N against the gravitational force.
  • Pushing a trolley over a distance of 2 m with a force of 10 N.
  • Pulling a drawer over a distance of 20 cm with a force of 1 N
  • Lifting up a stack of books weighing 20N to a vertical height of 100 cm.
Q.8
As a rubber band is snapping back, it has what kind of energy?
  • Potential
  • Kinetic
  • None
  • Position
Q.9
Which form of energy is almost always produced during energy transformations?
  • Heat
  • Electricity
  • Light
  • Sound
Q.10
Energy is
  • Whether one feels like doing work
  • the ability to do work
  • calculated by dividing the amount of work by the amount of time to do the work
  • just another word for work
Q.11
Which of the following activities involves work done?
  • An old man lying still on the floor
  • A boy running around a stadium
  • A girl holding a stack of books
  • A baby crying
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