Science test 1

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Anonymous
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100602
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Science test 1
Updated:
2011-09-08 19:35:27
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Science
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Description:
First science test
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  1. Kilo
    *1000
  2. Centi
    divided by 100
  3. Mili
    divided by 1000
  4. Volume is measured in
    liters.
  5. What is the metric system based off of?
    Water and water measurments. (ex. density of water is 1)
  6. How reliable is a theory?
    There is no higher level of affirmation.
  7. Laws are true how much of the time?
    100%
  8. Good theories become laws.
    T/F
    FALSE!!!!
  9. Evidence is....
    Facts that are found to support a hypothesis.
  10. Direct evidence is....
    Present and accessable physically.
  11. Indirect evidence is.....
    Unnacessable. We rely on this when it is impossible to actually be there during certian events or circumstances.(too slow, to long ago, can't go in person)
  12. Spectrocipy is....
    To measure light from planets and analize their data.
  13. Quantitative info is....
    Numerical in nature
  14. Qualitative info is....
    somewhat opinionated info, cannot be measured. (ex. smell, taste, ect.)
  15. The things that change in your experiment
    variables.
  16. Independant variable
    what you change
  17. Dependant variable
    Expected to change as a result of the independant
  18. Constant
    Things in your experiment that shouldn't change.
  19. Interveining
    things that could possibly effect the experiment in a way other than the independant.
  20. Something left alone in your experiment so you can make a comparison
    Control
  21. Every time the independant variable is tested
    trial
  22. How many independant variables there are
    sample size
  23. Numbers, measurements or results of your trials.
    Data
  24. Anything that has mass and takes up space
    Matter
  25. Substances that cannot be reduced to simpler substances
    elements
  26. The center of an atom
    nucleus
  27. Posotive and make up part of the nucleus
    protons
  28. No electrical charge, and bound to nucleus with protons
    neutrons
  29. Negative charge and orbit the nucleus
    electrons
  30. Add energy to gas and you get....
    Plasma
  31. All motion and energy has stopped
    absolute zero
  32. Mass and volume determines....
    Density
  33. Density formula
    D=M/V

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