Energy Unit Test

60 Questions | Total Attempts: 234

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Energy Quizzes & Trivia

Unit Test on Energy for 9th Grade Physical Science at San Miguel High School.


Questions and Answers
  • 1. 
    What is energy?
    • A. 

      The attraction between like objects

    • B. 

      Mass times acceleration

    • C. 

      The ability to do work, cause change, and/or produce heat.

    • D. 

      Momentum

  • 2. 
    The Law of Conservation of Energy states that
    • A. 

      Energy should not be put in landfills

    • B. 

      Energy can be created and destroyed, but never changes form

    • C. 

      Energy stored in fossil fuels will last forever

    • D. 

      Energy cannot be created or destroyed, only changes form

  • 3. 
    Which situation below is an example of energy being transferred?
    • A. 

      A footstep makes sound that travels through air in compresison packets and makes your eardrum vibrate

    • B. 

      A flash light is turned on converting electrical energy into light and heat

    • C. 

      A magnet is attached to an end of a nail which is attached to a battery. A wire connected to the battery touches the edge of the magnet, causing it to spin.

    • D. 

      All of the above.

  • 4. 
    What is kinetic energy?
    • A. 

      Energy of stored in position

    • B. 

      Energy stored in chemical bonds

    • C. 

      Energy stored in bonds between atoms

    • D. 

      Energy of motion

  • 5. 
    How does speed affect kinetic energy?
    • A. 

      Speed really does not affect kinetic energy.

    • B. 

      An increase in speed increases kinetic energy.

    • C. 

      An increase in speed decreases kinetic energy.

    • D. 

      An increase in speed only affects kinetic energy in some situations.

  • 6. 
    How does mass affect kinetic energy?
    • A. 

      Mass does not really affect kinetic energy.

    • B. 

      An increase in mass will increase kinetic energy.

    • C. 

      A decrease in mass will increase kinetic energy.

    • D. 

      An increase in mass will cause kinetic energy to become zero.

  • 7. 
    What is potential energy?
    • A. 

      Energy stored in position

    • B. 

      Energy of motion

    • C. 

      Radiant energy from the sun

    • D. 

      Force moved through a distance

  • 8. 
    How does mass affect potential energy?
    • A. 

      Mass really does not affect potential energy.

    • B. 

      Mass turns into light when an object is at rest.

    • C. 

      An increase in mass will increase the potential energy.

    • D. 

      An increase in mass will decrease the potential energy.

  • 9. 
    How does height affect potential energy?
    • A. 

      Height really does not affect potential energy.

    • B. 

      The higher an object is, the more potential energy it has.

    • C. 

      The lower an object is, the more potential energy it has.

    • D. 

      If an object is too high, its potential energy will be zero.

  • 10. 
    How does chemical energy differ from nuclear energy?
    • A. 

      Chemical enregy is stored in bonds between atoms; nuclear energy is stored within the atom.

    • B. 

      Chemical energy and nuclear energy are both the same thing.

    • C. 

      Chemical energy is only endothermic; nuclear energy is only exothermic.

    • D. 

      Chemical energy is never dangerous; nuclear energy is always dangerous.

  • 11. 
    What is thermal energy?
    • A. 

      The energy of attraction between magnets.

    • B. 

      The energy stored in long underwear.

    • C. 

      The energy of moving particles in a substance.

    • D. 

      Force divided by acceleration.

  • 12. 
    What is radiant energy?
    • A. 

      Energy stored in position.

    • B. 

      Energy of motion.

    • C. 

      Energy carried by light.

    • D. 

      Energy that causes explosions.

  • 13. 
    What is electrical energy?
    • A. 

      Energy of motion.

    • B. 

      Energy stored in position.

    • C. 

      Energy carried by moving electrons.

    • D. 

      Energy of attraction between masses.

  • 14. 
    Which of these is not a renewable energy?
    • A. 

      Fossil fuels

    • B. 

      Solar

    • C. 

      Moving water

    • D. 

      Wind

  • 15. 
    Which of these describes fossil fuels?
    • A. 

      Ancient organisms buried their fires so we could use the energy later.

    • B. 

      Ancient organisms died. Millions of years of extreme heat and pressure converted their remains into fuel sources we use by burning.

    • C. 

      Ancient organisms converted their emotions into heat and light.

    • D. 

      Ancient organisms floating on the ocean surface are collected. Because they never decayed, we can burn them now for fuel.

  • 16. 
    What are three types of fossil fuels?
    • A. 

      Uranium, light rays, coal

    • B. 

      Uranium, natural gas, and sunlight

    • C. 

      Coal, oil, and natural gas

    • D. 

      Coal, oil, and sunlight

  • 17. 
    Which is a disadvantage of nuclear energy?
    • A. 

      It is only available when the sun is shining.

    • B. 

      It results in radioactives wastes that are dangerous.

    • C. 

      It is noisy.

    • D. 

      It is replenished continually.

  • 18. 
    What does geothermal mean?
    • A. 

      Rotation of the earth.

    • B. 

      Light converted into electricity.

    • C. 

      Heat coming from within the earth.

    • D. 

      The temperature of rocks.

  • 19. 
    What does hydroelectric mean?
    • A. 

      Electricity produced by organisms decaying in stagnant pools of water.

    • B. 

      Electricity produced by the motion of water.

    • C. 

      Electricity produced to keep water in containers and behind dams.

    • D. 

      Electricity produced during storms.

  • 20. 
    What are renewable resources?
    • A. 

      Fuels that cannot be used up by humans.

    • B. 

      Fuels burried in the ground that come from the decay of ancient organisms

    • C. 

      Fuels that reach the earth from outerspace

    • D. 

      Fuels that can be put back after its been used

  • 21. 
    What is a photovoltaic?
    • A. 

      A device that converts pictures into voltages

    • B. 

      A device that converts light into electricity

    • C. 

      A device that converts water into heat

    • D. 

      A device that converts motion into light

  • 22. 
    What is work?
    • A. 

      A mass is acted upon by gravity.

    • B. 

      A force causes an object to hold still.

    • C. 

      A force causes an object to move over a distance.

    • D. 

      An attraction between molecules.

  • 23. 
    KE = 1/2 mv2 is the formula for
    • A. 

      Potential energy

    • B. 

      Kinetic energy

    • C. 

      Work

    • D. 

      None of these

  • 24. 
    Ms. Van Rhoads lifts a book from the ground to a distance 1.5 m from the ground.  During the process of lifting, does she do work?
    • A. 

      Yes

    • B. 

      No

  • 25. 
    Ms. Van Rhoads kicks the wall very hard but it does not move.  Does she do work on the wall?
    • A. 

      Yes.

    • B. 

      No.

  • 26. 
    Ms. Van Rhoads holds a book at a height of 1.5 off the ground.  This is an example of
    • A. 

      Force

    • B. 

      Work

    • C. 

      Kinetic energy

    • D. 

      Potential energy

  • 27. 
    Ms. Van Rhoads drops a book from a height of 1.5m.  As the book falls, it is gaining
    • A. 

      Mass

    • B. 

      Potential energy

    • C. 

      Kinetic energy

    • D. 

      Radiant energy

  • 28. 
    A bowling ball and a ping pong ball are rolled down the hallway at identical speeds.  Which has greater kinetic energy?
    • A. 

      Bowling ball

    • B. 

      Ping pong ball

    • C. 

      They have the same kinetic energy

    • D. 

      Neither has any kinetic energy

  • 29. 
    A bowling ball and a ping pong ball are both sitting on top of a ladder.  Which has greater kinetic energy?
    • A. 

      Bowling ball

    • B. 

      Ping pong ball

    • C. 

      Both have infinite kinetic energy

    • D. 

      Neither has any kinetic energy

  • 30. 
    A bowling ball and a ping pong ball sit on top of a ladder.  Which has the greater potential energy?
    • A. 

      Bowling ball

    • B. 

      Ping pong ball

    • C. 

      Both have the same potential energy

    • D. 

      Neither has any potential energy

  • 31. 
    Batman and Spiderman each apply a force of 1500 N to lift a villain's car into the air.  Batman lifts the car 2 m but Spiderman lifts it 20 m.  Who does more work?
    • A. 

      Batman

    • B. 

      Spiderman

    • C. 

      Both do the same amount of work

    • D. 

      Neither does any work

  • 32. 
    Superman lifts a train into the air.  He applies a force of 4000 N and lifts the train 10 m.  How much work does he do on the train?
    • A. 

      400 J

    • B. 

      4000 J

    • C. 

      40,000 J

    • D. 

      400,000 J

  • 33. 
    Spiderman sits on top of a skyscraper.  If the building is 250 m tall and Spiderman has a mass of 80 kg, what is his potential energy?
    • A. 

      20,000 J

    • B. 

      2000 J

    • C. 

      196,000 J

    • D. 

      19,600 J

  • 34. 
    A baseball is thrown at a speed of 20 m/s.  The baseball has a mass of 0.15 kg.  Calculate its kinetic energy.
    • A. 

      30 J

    • B. 

      60 J

    • C. 

      15 J

    • D. 

      3 J

  • 35. 
    A softball has kinetic energy of 81 J as it flies across home plate at a velocity of 30m/s.  Calculate its mass.
    • A. 

      0.9 kg

    • B. 

      0.09 kg

    • C. 

      18 kg

    • D. 

      0.18 kg

  • 36. 
    A hawk is perched on a high ledge intently watching Ms. Goodwin's pet hamster PeeWee.  If the ledge is 60 m above the ground and the hawk has potential energy of 1176 J, what is the mass of the hawk?
    • A. 

      5 kg

    • B. 

      2 kg

    • C. 

      11.76 kg

    • D. 

      0.2 kg

  • 37. 
    An elephant and a mouse rent identical sports cars.  Each has a full tank of gas.  They drive eactly 300 laps around a track.  Then they stop to refuel.  Which animal puts more gas into her car?
    • A. 

      The mouse

    • B. 

      The elephant

    • C. 

      They put the same amount of gas into their cars

    • D. 

      Neither puts any gas into her car

  • 38. 
    The chart of "Ironman vs. Evil Villain" compares the work done by each of them by throwing a boulder 6 m.  Who does more work? 
    • A. 

      Ironman

    • B. 

      Evil Villain

    • C. 

      Neither does any work

    • D. 

      Both do the same amount of work

  • 39. 
    The chart of "Ironman vs. Evil Villain" compares the work done by each of them by throwing a boulder 6 m.  Who exerts the greater force on the boulder? 
    • A. 

      Ironman

    • B. 

      Evil Villain

    • C. 

      Neither exerts any force

    • D. 

      Both exert the same amount of force

  • 40. 
    The chart of "Ironman vs. Evil Villain" compares the work done by each of them by throwing a boulder 6 m.  What is the meaning of the slope of each line? 
    • A. 

      The slope is the direction the boulder is moved by each character.

    • B. 

      The slope is the force exerted by that character.

    • C. 

      The slope is the work done by that character.

    • D. 

      The slope is the distance the boulder is moved by that character.

  • 41. 
    The chart of "Ironman vs. Evil Villain" compares the work done by each of them by throwing a boulder 6 m.  Find the slope of the two lines. 
    • A. 

      1/10 and 1/2

    • B. 

      1/12 and 1

    • C. 

      12 and 1

    • D. 

      10 and 2

  • 42. 
    The chart of "Ironman vs. Evil Villain" compares the work done by each of them by throwing a boulder 6 m.  How much work has Ironman done when the boulder has traveled 4 m ? 
    • A. 

      About 72 Joules

    • B. 

      About 12 Joules

    • C. 

      About 4 Joules

    • D. 

      About 48 Joules

  • 43. 
    The chart of "Ironman vs. Evil Villain" compares the work done by each of them by throwing a boulder 6 m.  If Ironman doubled his effort and exerted twice as much force on the boulder, how would the graph change?
    • A. 

      His line would be twice as steep.

    • B. 

      His line would be half as steep.

    • C. 

      His line would be four times steeper.

    • D. 

      The graph would not change.

  • 44. 
    A student turns on a flashlight, converting electrical energy into what?
    • A. 

      Radiant energy

    • B. 

      Rotational energy

    • C. 

      Kinetic energy

    • D. 

      Potential energy

  • 45. 
    Ms. Weleck put two pieces of metal in an orange.  Then she measured the voltage difference between them.  In this experiment, chemical energy is converted into what?
    • A. 

      Nuclear energy

    • B. 

      Mechanical energy

    • C. 

      Electrical energy

    • D. 

      Potential energy

  • 46. 
    Endothermic means
    • A. 

      Heat is released

    • B. 

      Heat is absorbed

    • C. 

      Heat is equalibrated

    • D. 

      Heat is not involved

  • 47. 
    When new bonds form between atoms in a chemical reaction, energy is 
    • A. 

      Created

    • B. 

      Destroyed

    • C. 

      Released

    • D. 

      Absorbed

  • 48. 
    The process involved in the "smooshing" of two atomic nuclei together is called
    • A. 

      Radiant

    • B. 

      Feuding

    • C. 

      Fission

    • D. 

      Fusion

  • 49. 
    Elastic energy is found in
    • A. 

      Planets orbiting the sun

    • B. 

      Springs

    • C. 

      Electrons moving

    • D. 

      The bonds between atoms

  • 50. 
    When Ms. Van Rhoads drops a book, it hits the ground with a loud "thud".  Sound is really just another form of ___________ energy because it is the movement of air.
    • A. 

      Radiant

    • B. 

      Work

    • C. 

      Kinetic

    • D. 

      Potential

  • 51. 
    In this drawing, the top spring is neither stretched nor compressed.  In the bottom picture, the spring is stretched and then held at a certain distance away from its rest postion.  At the point where it is held, what type of energy does it have?
    • A. 

      Radiant

    • B. 

      Kinetic

    • C. 

      Potential

    • D. 

      Chemical

  • 52. 
    The picture below shows the orbits of objects around the earth -- possibly satellites or small space debris.  What type of energy is this?
    • A. 

      Elastic

    • B. 

      Light

    • C. 

      Magnetic

    • D. 

      Gravitational

  • 53. 
    A magnet attracts iron filings to itself.  This is an example of what kind of energy?
    • A. 

      Rotational

    • B. 

      Chemical

    • C. 

      Electric

    • D. 

      Magnetic

  • 54. 
    What kind of energy is involved in this spinning wheel?
    • A. 

      Fusion

    • B. 

      Radiant

    • C. 

      Rotational

    • D. 

      Electrical

  • 55. 
    This is a model of an atom being split into pieces.  What type of energy is this?
    • A. 

      Nuclear fusion

    • B. 

      Nuclear fission

    • C. 

      Chemical - endothermic

    • D. 

      Magnetic

  • 56. 
    The SI unit for energy is the
    • A. 

      Watt

    • B. 

      Joule

    • C. 

      Newton

    • D. 

      Meter

  • 57. 
    The amount of energy neede to lift a medium sized potato about 1 meter is
    • A. 

      1 Newton

    • B. 

      1 kg

    • C. 

      1 Joule

    • D. 

      1 calorie

  • 58. 
    The amount of energy it takes to raise the temperature of 1 g of water 1 degree Celsius is
    • A. 

      1 kg

    • B. 

      1 Newton

    • C. 

      1 Joule

    • D. 

      1 calorie

  • 59. 
    A human eats the meat from a chicken that ate some corn which got energy from the sunshine.  This is an example of
    • A. 

      Renewable energy

    • B. 

      A geothermal process

    • C. 

      A photovoltaic process

    • D. 

      A food chain

  • 60. 
    Energy can change forms, but sometimes energy escapes the system in the form of heat.  The percent of energy present before and after a change is called its _________ .
    • A. 

      Renewability

    • B. 

      Consumption

    • C. 

      Transformation

    • D. 

      Efficiency