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
Chlorophyll

Chlorophyll

A green pigment found in all plants, algae and cyanobacteria.

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Haploid

Haploid

A nucleus, cell or organism that has half the number of chromosomes as normal somatic cells.

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Theory

Theory

A logical, testable and predictive explanation.

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Prism

Prism

A transparent optical device with flat surfaces that refracts light.

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Troposphere

Troposphere

The lower part of the atmosphere.

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Pressure

Pressure

Force per unit area, measured in newtons per square meter, or pascals.

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