Energy Test

Card Set Information

Energy Test
2011-11-02 20:57:33
Energy Notes

Energy Notes
Show Answers:

  1. What are the ten steps of the design process in order?
    Problem, Define, Research, Brainstorm, Analysis, Development, Communicate, Implement, Assess.
  2. What is work? (both definitions)
    the capacity for doing work,

    usable power (as heat or electricity); also, the resources for producing such power
  3. What do living things get energy from?
  4. What are the two main groups of energy?
    potential and kinetic
  5. What are the four types of potential energy?
    Chemical energy, Stored mechanical energy, Nuclear energy, Gravitational energy
  6. What is potential energy?
    Potential energy is energy that isn’t being used yet. It is stored energy.
  7. What is chemical energy?
    Chemical energy is stored in the bonds between atoms and molecules. When these bonds are broken they release energy as heat, light, motion and sound.
  8. What is an example of chemical energy?
    Coal, oil and propane have stored chemical energy, so does food.
  9. What is stored mechanical energy?
    Stored mechanical energy is found in objects that want to bounce back into their natural shape when they are stretched or squished.
  10. What is an example of stored mechanical energy?
    • There is stored mechanical energy in a
    • drawn guitar string and in a compressed spring.
  11. What is nuclear energy?
    Nuclear energy is the energy which holds together the nucleus of an atom.
  12. What is an example of nuclear energy?
    It is released when atoms are split open (fission) or smashed together (fusion).
  13. What is gravitational energy?
    Gravitational energy is the energy stored in an object because of where it is placed.
  14. What is an example of gravitational energy?
    A roller coaster at the top of its rails has gravitational energy, so does water held behind in a dam’s reservoir.
  15. What is kinetic energy?
    Kinetic energy is energy which is being used. It is the energy of motion. It includes:
  16. What are the four types of kinetic energy?
    Electrical, thermal, radiant, and motion.
  17. What is electrical energy?
    The movement of electrons.
  18. What is an example of electrical energy?
    • Lightning is electrical energy,
    • so is the electricity which comes into our houses.
  19. What is thermal energy?
    • Thermal energy is heat. Heat is caused by the movement of atoms and molecules within
    • a substance.
  20. What is an example of thermal energy?
  21. What is radiant energy?
    Radiant energy is energy that comes from the waves of the electromagnetic spectrum.
  22. What is an example of radiant energy?
    Light is a type of radiant energy, so are x-rays.
  23. What is motion energy?
    Motion energy is energy caused by objects or substances that are moving.
  24. What is an example of motion energy?
    Tides have motion energy, so does the wind.
  25. Energy cant be ________ or __________.
    created, destroyed
  26. the ______ potential energy stored in gasoline
    becomes ______ and_______kinetic energy when it
    is used by a car or truck.
    chemical, thermal, motion
  27. Electrical energy from the plug is transformed into_______ energy in the oven.
  28. _____energy from the fish is transformed into
    motion energy when you push your skatebord.
  29. What are nonrenewable resources?
    are those that cannot be replaced as they are used
  30. What are renewable resources?
    Renewable energy sources are those which do not diminish over time or can be replaced in a relatively short amount of time.
  31. What is geothermal energy?
    Geothermal energy is heat energy obtained from below the Earth’s surface.
  32. what is solar energy?
    Solar energy is radiation energy produced by the sun.
  33. What is water energy?
    • We get energy from water by harnessing the power of its movement. The movement of rivers, waves and tides can all be used to generate
    • electricity.
  34. What is wind energy?
    Much like water, the power of the wind can be used to produce electricity. Harnessing wind power requires large areas full of windmills.