Science Glossary
  • 500+ key scientific terms visualised 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
Doppler shift

Doppler shift

A change in the observed frequency of a wave.

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Greenhouse effect

Greenhouse effect

The effect caused by some atmospheric gases when they trap heat.

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Electrostatic attraction

Electrostatic attraction

The attraction between two bodies with opposite electric charge.

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Migration

Migration

The movement of organisms.

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Direct current (DC)

Direct current (DC)

An electric current in which the flow of electric charge is consistently in one direction.

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Giant covalent structure

Giant covalent structure

A substance in which a large number of non-metal atoms are covalently bonded in a continuous network.

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