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Energy Transformations

Quiz by Gary Hartle

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14 questions
Show answers
  • Q1
    As potential energy decreases, kinetic energy...
    disappears.
    decreases.
    increases.
    stays the same.
    30s
  • Q2
    Turbines that are used in windmills and hydroelectric dams transform _____________ energy to _________________ energy.
    chemical- thermal
    mechanical- electrical
    nuclear- electrical
    mechanical- radiant
    30s
  • Q3
    Batteries, food, and fossil fuels store this type of energy.
    electrical
    chemical
    radiant
    nuclear
    30s
  • Q4
    Chemical energy is a form of _____________ energy.
    Kinetic
    Potential
    Radiant
    Nuclear
    30s
  • Q5
    Which bar graph represents the potential and kinetic energy of a roller coaster cart when it is halfway down a hill?
    Question Image
    B
    E
    C
    A
    30s
  • Q6
    We eat food so that our bodies can transform its ______________ energy to ______________ energy when our muscles move our body, and ___________________ energy which we call body heat.
    chemical- potential- radiant
    nuclear- chemical- electrical
    chemical- mechanical- thermal
    nuclear- potential- thermal
    30s
  • Q7
    Stored energy, or the energy of position is...
    potential energy.
    mechanical energy.
    thermal energy.
    kinetic energy.
    30s
  • Q8
    A science teacher jumps on a trampoline. After the teacher leaves the trampoline, during her jump, at what point does the science teacher have both the greatest amount of gravitational potential energy and the least kinetic energy?
    Question Image
    On her way back down.
    Just after her feet leave the trampoline.
    Halfway up.
    At the top of her jump.
    30s
  • Q9
    In which positions will the pendulum have the same amounts of potential and kinetic energy?
    Question Image
    points 1 and 3
    points 1 and 5
    points 3 and 5
    points 2 and 4
    30s
  • Q10
    A hot plate in a science lab is plugged into an electrical outlet and used to heat a beaker of water. What type of energy transformation is demonstrated?
    Question Image
    electrical to mechanical
    thermal to electrical
    electrical to thermal
    mechanical to thermal
    30s
  • Q11
    For a flashlight to work, the _____________ energy inside the battery must transform to _______________ energy, which travels to the light bulb and transforms to both _________________ and ___________________ energy.
    chemical-electrical-radiant (light)-thermal
    chemical-radiant (light)-thermal-mechanical
    mechanical-electrical-radiant-(light) - chemical
    electrical-chemical-radiant (light)-mechanical
    30s
  • Q12
    The energy of motion is...
    nuclear energy.
    chemical energy.
    electrical energy.
    kinetic energy.
    30s
  • Q13
    Which object has the greatest amount of gravitational potential energy?
    Question Image
    object C
    object A
    object B
    30s
  • Q14
    Which type of energy do we commonly call 'heat'?
    thermal energy
    electrical energy
    nuclear energy
    chemical energy
    30s

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