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0.2 NOS

0.2 NOS Scientific Method Vocab

TermDefinition
observation obtaining information by using the senses
inference A logical conclusion one can draw from the presented details.
Prediction A statement of what will happen in the future or next in a sequence of events
Qualitative An observation that deals with characteristics that cannot be expressed in numbers.
Quantitative an observation that is measurable such as amount, height, length, weight etc.
Experiment an organized procedure to study something under controlled conditions
hypothesis a possible explanation for an observation that can be tested.
variable A factor that can be changed in an experiment
independent variable the one factor that a scientist changes during an experiment. Also called the test variable
dependent variable the factor that changes in response to the independent variable in an experiment. Also known as the outcome variable
controlled variable the variables that are kept the same during an experiment
control group The experimental group where the independent variable is not changed.
evidence information, facts, or data that scientists collect through scientific methods to support or refute scientific ideas, hypotheses or theories.
model a representation of an object or system. Can be 3-D, flat, an equation, or computer simulation.
scientific theory a system of ideas that explains many related observations and is supported by a large body of evidence acquired through scientific investigation
scientific law A rule that describes a pattern in nature
Created by: brandi.sekas
 

 



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