Parts of the Scientific Method
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| dependent variable | measured to show the relationship between variables
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| independent variable | experimenter changes or manipulates
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| control group | group that does not receive any treatment; it stays the same throughout the experiment
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| experimental group | group that receives the treatment throughout the experiment
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| hypothesis | educated guess based on observations; must be testable
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| analysis | representation of the data collected in the form of graphs, charts and/or tables
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| experiment | tests the hypothesis, produces data
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| observations | based on your senses; can be qualitative (descriptions) or qualitative (using numbers)
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| control variable | variable that does not change throughout the experiment
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| how to write a hypothesis | if...then statement; if the independent variable increases then the dependent variable increases/decreases
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| conclusion | summary / judgement based on the results of the experiment; states whether the hypothesis is supported or rejected
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| problem | written in the form of a question; it is what you want to solve or answer through the experiment
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| experiment | series of steps that tests your hypothesis
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| how to write a conclusion | As the independent variable...the dependent variable...
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| Science is a cycle | it is always changing, never ending; it is a fluid process that is repeatable
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| how to write a problem | How does the independent variable affect the dependent variable?
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| Example of an observation | The road is wet
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| Example of an inference | It must have rained
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| inference | an explanation of an observation
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