The Law of Conservation of Energy states:
  • Energy can created or destroyed but not transformed
  • Energy cannot be created or destroyed, it can only transformed
  • Energy can't be created, destroyed or transformed
  • Energy cannot be created or destroyed.
What kind of energy does an object possess when it's resting on top of the hill?
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  • Potential Energy
  • Chemical Energy
  • Kinetic Energy
  • All of the above
What do you need to add to kinetic energy in order to find an object’s mechanical energy?
  • Initial Energy
  • Gravitational Energy
  • Thermal Energy
  • Potential Energy
What force causes a roller coaster cart to slow down the most?
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  • friction
  • weight
  • gravity
  • air resistance
What is the formula for Kinetic Energy?
  • KE = mass x velocity
  • KE= 1/2 x mass x velocity 2
  • KE = mass x gravity x height
  • KE = mass x velocity / 2
What energy transformation occurs from a light bulb? 
  • Electrical energy = kinetic energy + potential energy 
  • Electrical energy = electrical energy 
  • Electrical energy = chemical energy 
  • Electrical energy = light energy + thermal energy 
The law of energy conservation says the total energy before the change _______ the total energy after it
  • is less than
  • is more than
  • affects
  • equals
Which 2 letters have the most kinetic energy
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  • W & Y
  • X & Z
Energy can be created.
  • True
  • False
Roller coasters slow down because their energy disappears.  
  • True 
  • False
Which form of energy is represented in this image?
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  • kinetic
  • thermal
  • potential
  • radiant
What happens when the ball goes from the highest position to the lowest position
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  • PE and KE increases and decreases together
  • Impossible to know without knowing the mass of the object
  • the PE decreases while KE increases
At which point is potential energy greatest?
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  • W
  • X
  • Y
  • Z
What kind (s) of energy is (are) in this image?
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  • Potential
  • Kinetic
  • Both Potential and Kinetic
The SI Unit for Energy is
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  • Joule
  • Potential
  • Calorie
  • Kilojoule
Efficiency is calculated by Energy Out divided by Energy In, expressed as a percentage
  • False
  • True
What percentage of Energy is wasted by a human being converting food into work?
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  • 15%
  • 25%
  • 50%
  • 75%
A toy car down a ramp loses most of its energy to
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  • friction
  • sound
  • heat
  • gravity
The energy of a certain point with respect to some reference point is
  • Spatial Energy
  • Velocity
  • Potential Energy
  • Kinetic energy
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