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Nature of Science

TermDefinition
Science The study of the natural world through observations and logical reasoning.
Pseudoscience False science. Conclusions are not based on evidence.
Hypothesis A testable statement that predicts the outcome of the experiment.
Experiment A test to see if the hypothesis is correct.
Test variable The part of the experiment that the scientist changes.
Outcome variable The results of the experiment. What is affected by changes in the other variable.
Observation Information gathered by using your 5 senses.
Inference Using information to determine what happened in the past.
Prediction Using information to determine what will happen in the future.
Data The numbers and/or information collected during an experiment
Repetition When a scientist does his experiment again
Replication When OTHER scientists re-do an experiment
Constant A part of the experiment that does NOT change. It is the same for every group.
Control group The group that does NOT receive the test variable.
Theory A group of ideas that explain a process. Usually related to life or earth science.
Law A statement or equation that predicts an event. Usually related to physical science.
Quantitative Observation that is expressed in numbers
Qualitative An observation that describes something without numbers
Objective reasoning Reasoning based on facts and data
Subjective reasoning Reasoning based on opinions. This is NOT used in science.
Created by: Stszerdy