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
Blastocyst

Blastocyst

An early stage in the development of a mammalian embryo.

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Big Bang

Big Bang

The most widely accepted theory of the early development of our Universe.

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Alkali metal

Alkali metal

A highly reactive group of metals, making up group one in the periodic table.

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Density

Density

Mass per unit of volume.

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Pyroclastic flows

Pyroclastic flows

Flows of substances from a volcanic eruption.

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Substance

Substance

Material that has distinct properties.

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