what's inside: physical science & math - encyclopedia entries

Physical Science & Math topics cover a broad range of subjects related to the Physical Science & Math field. Check out our encyclopedia entries on Physical Science & Math topics.

Astronomy

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Chemistry

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Geology

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Mathematics

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Meteorology

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Physics

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Science

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Solvent

Solvent, SOL vuhnt, is a substance that dissolves another substance to form a solution.

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Proportion

Proportion is a relationship of equivalence between two ratios.

Braun, Karl Ferdinand

Braun, Karl Ferdinand (1850-1918), a German physicist, made important contributions to the early technology of radio.