2.3 Nature of Science Flashcards

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Hypothesis

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A testable explanation for a phenomenon, based on limited evidence; a starting point for further investigation.

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Scientific Theory

Back

A well-substantiated explanation of some aspect of the natural world, based on a body of evidence.

Front

Scientific Law

Back

A statement that describes an observable occurrence in nature that appears to always be true.

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Atom

Back

The smallest unit of matter, consisting of a nucleus surrounded by electrons.

Front

Electron Cloud Model

Back

A model that visualizes the regions where electrons are likely to be around a nucleus.

Front

Kinetic Molecular Theory

Back

A theory stating that particles of matter are always in motion and that this motion has consequences for the physical properties of matter.

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Kinetic Energy

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The energy an object has because of its motion.

Front

Nature of Science

Back

The process by which scientific knowledge is created, validated, and changes over time.