science POD

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Author:
jeffreyb
ID:
184725
Filename:
science POD
Updated:
2012-11-22 11:03:58
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questions
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questions
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  1. what factors does the kinetic energy of an object depend on?
    mass and speed
  2. how is gravitational potential energy determined?
    mass and hieght
  3. what are the major forms of energy?
    mechanical, thermal, chemical, electrical, electromadnetic, and nuclear energy 
  4. can energy be converted from one form into anouther?
    yes
  5. what energy conversion takes place as an object falls toward earth?
    potential turns into kinetic
  6. what are the major renewable sources of energy?
    wind, sunlight, water, and heat
  7. what are the major nonrenewable sources of energy?
    oil, natural gas, coal, and uranium
  8. when force pulls an object down
    gravity
  9. why would you you want to use metal rollercoaster tracks than wooden ones?
    they are more sturdy an move less
  10. the amount of space, that an object takes up
    volume
  11. the apparent displacement of an observed objectdue to an change in the position of the observer 
    parallax
  12. the convex or concave surface of a column of liquid
    meniscus

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