Investigation and Scientific Reasoning
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| descriptive investigation | An investigation that uses observations of quantitative and qualitative skills/ this doesn't have a hypothesis
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| comparative investigation | an investigation that tells you how changing one factor changes the data by comparing two or more things... has a hypothesis
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| experimental investigation | an investigation that has controlled factors but one factor is changed to see a cause and effect relationship... has a hypothesis
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| science | An organized way of gathering and analyzing evidence about the natural and man-made world.
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| observation | Information gained through qualitative or quantitative skills
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| inference | A logical conclusion based on observations with past knowledge and experience
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| collect | gather data
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| record | saving data through written or technological devices
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| safety | being protected from or unlikely to cause also known as prevention
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| Corrosive | eating away gradually by chemicals like acid and bases
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| Flammable | Able to catch fire easily
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| Flush | to spray or wash away
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| irritant | a substance that causes slight inflammation (hot or reddening) with discomfort to the body
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| qualitative | Data in the form of words through senses
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| quantitative | data that is recorded as numbers or mathematically
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| variable | A factor that can change in an experiment
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| independent variable | a factor that is changed or manipulated so that a relation can be seen with others that were not changed
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| dependent variable | the factor that changes or responds because another factor was first manipulated
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| controlled variable | Factor in an experiment that a scientist purposely keeps the same
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| controlled experiment | An experiment in which only one variable is manipulated at a time.
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| theory | a hypothesis that has been tested with lots of times and is reliable
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| hypothesis | a educated answer to a question that is testable or predictable
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Created by:
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