Science

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Author:
katie140154
ID:
83598
Filename:
Science
Updated:
2011-05-03 20:21:54
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chp
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Description:
energy
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  1. the remains of ancient organisms that changed into coal, oil, or natural gas, has a limited supply
    fossil fuels
  2. a machine that converts mechanical energy/motion into electrical energy
    electric generator
  3. a wheel that changes the force of a moving gas or liquid into energy that can do work
    turbine
  4. oil that is pumped from the ground, also called crude oil
    petroleum
  5. crude oil
    petroleum
  6. oil deposits that can be extracted profitably at current prices using current technologies
    oil reserves
  7. the energy within the nucleus of an atom
    nuclear energy
  8. atomic particles
    neutrons
  9. a process when nuclei split, releaseing energy and neutrons that collide with more nuclei, causing a chain reaction
    nuclear fission
  10. occurs when lightweight atomic nuclei combine to form a heavier nucleus and releases energy
    nuclear fusion
  11. the ability to produce change or do work
    energy
  12. name the two types of energy
    • potential
    • kinetic
  13. the motion of anything
    kinetic energy
  14. stored enery and the energy of position of matter due to gravity
    potential energy
  15. name the 9 main forms of energy
    • chemical
    • mechanical
    • nuclear
    • gravitational
    • electrical
    • radiant
    • thermal
    • motion
    • sound
  16. energy in the bonds of atoms and molecules
    chemical energy
  17. the energy of motion, can be stored
    mechanical energy
  18. energy stored in the nucleus of an atom
    nuclear energy
  19. energy of position or place (rock on a hill)
    gravitational energy
  20. the movement of electrons
    electrical energy
  21. electromagnetic energy that travels in transverse waves
    radiant energy
  22. heat energy
    thermal energy
  23. the movement of object and substances
    motion/gravitational energy
  24. the movement og energy through substances
    sound energy
  25. name the lowest form of energy
    thermal
  26. what is thermal energy caused by?
    friction of anytype of matter
  27. name the ultimate beginning form of all energy transformations
    nuclear (fusion-sun/fission-earth's crust)
  28. the intermediate form of energy and why
    • electricity
    • you can't see it and you can't store it, but you can convert it
  29. what 3 things does the Law of Conservation of Energy say?
    • energy is never created
    • energy is never destroyed
    • energy changes forms
  30. name four fossil fuels
    • petroleum
    • coal
    • natural gas
    • propane
  31. the most used energy source
    petroleum
  32. the energy source used to generate the most electricity
    the second energy source used to generate the most electricity
    • coal
    • nuclear
  33. resources that can be replaced forever
    renewable resources
  34. resources that cannot be replenished
    nonrenewable resources
  35. the US population
    300,000,000
  36. average US ecological footprint
    5.5
  37. 2 fastest developing countries
    • china
    • india
  38. the measure of the amount of stuff in an object
    mass
  39. a measure of an object's resistance to change
  40. mass
  41. anything that occupies space and has mass
    matter
  42. what you can see, touch, or feel
    matter
  43. the ability to move matter around
    energy
  44. the energy of mass
    kinetic
  45. force x distance
    work
  46. stored/has the ability to produce motion
    potential
  47. a region under study
    system
  48. the type of system based on matter
    closed
  49. the type of system based on energy
    open
  50. nothing enters, nothing leaves
    closed
  51. things enter and exit
    open
  52. enter and exit at the same rate
    steady system
  53. energy of waves, including light
    radiant
  54. electromagnetic spectrum
    radiant
  55. number of peaks that a point in a set amount of time
    frequency
  56. the distance from one peak to the next wave's peak
    wave length
  57. easily converted into other forms of energy
    electrical energy
  58. the most difficult energy to release
    nuclear
  59. the breaking down of larger nuclei to form smaller ones
    fission
  60. combining small nuclei to form a bigger nucleus
    fusion
  61. stars use this
    fusion
  62. nuclear bomb & power plants
    fission
  63. moves through the magnetic field, spins and repels electrons (turbine), inside a magnetic field, moves in a circle to create energy
    armature

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