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1-nature of science

chapter one vocabulary

QuestionAnswer
constant in an experiment, a factor that cannot change
control in an experiment, the standard for comparison
critical thinking process of using thinking skills to solve problems
dependent variable in an experiment, the factor that is forced to change because the independent variable changes
experiment controlled procedure for testing a hypothesis
greenhouse effect process by which heat radiated from Earth's surface is trapped and reflected back to Earth by carbon dioxide in the atmosphere
hypothesis proposed solution to a problem or explanation of how something works; a hypothesis can be tested to see if it is correct
independent variable in an experiment, the factor changed to see what effect it will have on the dependent variable
model representation of an idea or process to make it understandable, using a diagram, formula or physical structure
observation using your senses to gather information
ozone layer layer of Earth's atmosphere that contains plentiful ozone, which absorbs ultraviolet radiation from the sun
physical science study of matter and energy
scientific law rule that describes a pattern in nature and predicts what will happen under specific conditions
technology application of scientific knowledge to improve quality of human life
theory solution to a problem; former hypothesis that has been tested with repeated experiments and observations and found always to work
Created by: lisaklann
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