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PS Ch 1

Vocab

TermDefinition
Hypothesis Educated guess using what you knowand what you observe
Experiment Organized produre for testing a hypothesis; tests the effect of one hing on another under controlled conditions
Variable Factor that can cause a achange in the results of an experiment
Dependent Variable Factor that changes as a result of changes in the other variables
Independent Variable Factor that, as it chagnes, affects the measure of another variable
Constant In an experiment, a variable that does not change when other variables change
Control Standard used for comparison of test results in an experiment
Bias Occurs when a scientist's expectations change how the results of an experiment are viewed
Model Can be used tto represent an idea, object, or event that is too big, too small, too complex, or too dangerous to observe or test directly
Theory Explanation of things or events that is based on knowledge gained from many observations and investigations
Scientific law Statement about what happens in nature that seems to be true all the time; does not explain why or how something happens
Scientific Method Organized fset of investigation procedures that can include stating a problem, forming a hypothesis, researching adn gathering information, testing a hypothesis, analyzing data, and drawing conlusions
Technology Application of science to help people
Created by: Journey Edge