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Unit 1 vocabulary

Vocabulary words and definitions for Unit 1

QuestionAnswer
Scientific Method logical steps to problem solving
Observation the process of gathering information thorough the senses
Inference a judgment based on reasoning from evidence
Facts observations that are done & communicated correctly by a competent observer and are able to be repeated with the same results
Hypothesis an idea, suggested solution or guess formed to solve a problem
Laws a "rule" of nature that explains what happens in nature (sometimes how)
Theory an explanation of an event that attempts to explain why (sometimes how) it occurs by tying together facts, laws and inferences
Models a physical, verbal or mathematical representation that is similar to the concept and is used to explain more difficult ideas
Properties features or characters of matter or the way it behaves
Physical Science the study of matter and energy
Technology "applied science" that applies research science to our everyday lives to make it easier (inventions)
Research (Pure) Science the continuing search for new knowledge
Experiment an organized process used to gather information to test a hypothesis using carefully monitored conditions
Controlled Experiment an experiment that has a control group
Experimental Group the group or groups in an experiment in which the independent variable is changed
Control Group the group in an experiment in which the independent variable is not adjusted but left naturally-used as a comparison group to base your experimental results on
Factors conditions that could change the results of the experiment if you let them
Variable factors that are allowed to change in an experiment
Independent Variable the factor in an experiment that is adjusted by the experimenter
Dependent or Responding Variable the factor in an experiment that responds to changes in the independent variable
Constants all other factors are not allowed to change between test groups
Data observations that are recorded in an experiment
Analysis critically evaluating data to determine trends and form conclusions
Conclusion inferences at the completion of an experiment used to explain the data using generalizations
Created by: tlholdri
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