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Scientific Method

TermDefinition
Scientific Method A series of steps used in an investigation which strives to answer questions and explain the world around us.
Hypothesis A possible explanation for an observation, that can be tested
Data The information gathered during a scientific investigation
Scientific Theory A well-established explanation that has been repeatedly testes and confirmed in many different ways and usually over long periods of time.
Scientific Law or Principle A statement based of repeated experimental observations that describes what has been observed.
Control Experiment An experiment carried out as a comparison to the test experiment, as a standard against which the actual experiment can be judged
Fair Testing Testing while using a large enough number of samples to ensure statistical accuracy
Double-blind Testing Some patients get the medicine in a pill, while others get a placebo. i.e. a pill that looks identical to the medicine but contains no active ingredient. Neither patient or researcher knows who is getting what. This avoids bias.
Limitations of Scientific Method - Human error, make mistakes with observations and measurements - Change, everything in the natural world is constantly changing - Accidental Discoveries, Many important scientific discoveries have been accidental.
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