What Is Science? & Practice Of Science

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experiment

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An organized procedure to study something under controlled conditions

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hypothesis

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A testable idea or explanation that leads to scientific investigation based on prior knowledge

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investigation

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the action of investigating something or someone; formal or systematic examination or research

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law (scientific law)

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A statement based on repeated experimental observations that describe how the universe works under certain conditions

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observation

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The process of obtaining information by using the senses

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inference

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A conclusion based on evidence from data and reasoning

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predict

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say or estimate that (a specified thing) will happen in the future or will be a consequence of something

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scientist

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a person who is studying or has expert knowledge of one or more of the natural or physical sciences

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scientific problem

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something that is not understood but can be investigated through experimentation or scientific investigation

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theory

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A statement based on repeated experimental observations that describe why the universe works under certain conditions

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analyze

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To make sense of data collected

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conclusion

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The result of an experiment based on the empirical evidence gathered

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control group

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The group in the experiment used as a baseline because nothing is different from its normal state

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data

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Information gathered by observation or experimentation that can be used in calculating or reasoning

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empirical evidence

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The observations, measurements, and other types of data that are gathered to test, support, and evaluate scientific explanations

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measurement

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a numerical description of something that includes a number and a unit, such as 42 meters.

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outcome (dependent ) variable

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The variable that is measured for change. The variable that is affected by the test (independent) variable

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replication

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When the same experiment is repeated by a different group

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scientific model

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A pattern, plan, representation, or description designed to show the structure or workings of an object, system, or concept.

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technology

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The application of science for practical purposes; the use of tools, machines, and processes to meet human needs

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test (independent) variable

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The variable that is changed. The variable that causes the change

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testable (scientifically testable)

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able to be tested or tried

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trials

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The number of times an experiment is run

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valid

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when something is supported by evidence that is reliable and relevant