Vocabulary
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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Qualitative Observation | Using our 5 senses to get information about an object.
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Quantitative Observation | Counting or using a measuring tool to get information about an
object or event
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Inference | an explanation for what you have observed.
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Prediction | a forecast about what will happen in the future.
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Classification | grouping things by what they have in common.
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Observational Investigation | an experiment that is used to discover information about
objects or events by using one or more of our 5 senses.
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Experimental Investigation | an experiment that tests a hypothesis to see if changes in the
independent variable affect the outcome (the dependent
variable).
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Variables | -an experiment that change or can be changed
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Independent Variable | the variable that I, the experimenter, change on purpose at the
beginning of the experiment to see if it will affect anything..
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Dependent Variable | the variable that changes or responds to what the scientist
did.
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Hypotheses | a prediction of how the IV will affect the DV.
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Constants | parts of the experiment that do NOT change.
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Control | An experiment is done without testing the IV to see what the normal outcome is.
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Repeated Trials | the number of times you do the experiment or the number of
objects or organisms that are tested.
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CREDIT TO MRS.FERRAR | MY SCIENCE TEACHER
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