Science Glossary
  • 500+ key scientific terms visualized in stunning images and concise textual definitions
  • Short 30–60 second films using memorable visual and written learning cues
  • Clear and engaging, Twig Science Glossary reinforces the learning of key curriculum terms
Density

Density

Mass per unit of volume.

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Gravity

Gravity

An attractive force.

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Nuclear fusion

Nuclear fusion

A nuclear reaction in which two atomic nuclei fuse to form a larger one.

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pH

pH

The scale measuring the acidity or alkalinity of a solution.

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Angle of reflection

Angle of reflection

The angle made between a reflected ray and a line perpendicular to the surface at the point of reflection.

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Condensing

Condensing

The change of state from a gas to a liquid.

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