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Volume is measured in
liters.
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What is the metric system based off of?
Water and water measurments. (ex. density of water is 1)
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How reliable is a theory?
There is no higher level of affirmation.
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Laws are true how much of the time?
100%
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Good theories become laws.
T/F
FALSE!!!!
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Evidence is....
Facts that are found to support a hypothesis.
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Direct evidence is....
Present and accessable physically.
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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)
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Spectrocipy is....
To measure light from planets and analize their data.
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Quantitative info is....
Numerical in nature
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Qualitative info is....
somewhat opinionated info, cannot be measured. (ex. smell, taste, ect.)
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The things that change in your experiment
variables.
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Independant variable
what you change
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Dependant variable
Expected to change as a result of the independant
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Constant
Things in your experiment that shouldn't change.
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Interveining
things that could possibly effect the experiment in a way other than the independant.
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Something left alone in your experiment so you can make a comparison
Control
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Every time the independant variable is tested
trial
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How many independant variables there are
sample size
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Numbers, measurements or results of your trials.
Data
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Anything that has mass and takes up space
Matter
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Substances that cannot be reduced to simpler substances
elements
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The center of an atom
nucleus
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Posotive and make up part of the nucleus
protons
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No electrical charge, and bound to nucleus with protons
neutrons
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Negative charge and orbit the nucleus
electrons
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Add energy to gas and you get....
Plasma
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All motion and energy has stopped
absolute zero
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Mass and volume determines....
Density
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