Energy Unit Test

60 Questions | Total Attempts: 282

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Energy Unit Test

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.

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