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
Chloroplast

Chloroplast

The organelle within a cell that carries out photosynthesis.

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Desertification

Desertification

The degradation of usable land into desert.

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Aurora

Aurora

Natural displays of light in the sky in the polar regions.

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Acid rain

Acid rain

Rain that is unusually acidic, with a pH less than 5.

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Magnetic Field Glossary video

Magnetic Field Glossary video

A field of force produced by a magnetic object.

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Reduction

Reduction

The opposite of oxidation, a chemical reaction in which the oxidation state of an atom, molecule or ion is reduced.

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