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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Pregnancy

Pregnancy

The carrying of one or more developing fetuses in the womb of a female.

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Atomic mass

Atomic mass

The mass of a specific isotope of a specific element.

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Altitude Glossary video

Altitude Glossary video

Height above sea level.

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Plate boundary

Plate boundary

The boundary between the Earth's tectonic plates.

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Nutritional value

Nutritional value

A measure of the nutritional content of food.

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