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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
Compound microscope

Compound microscope

An optical microscope which uses two sets of lenses to gather and magnify light.

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Polarity

Polarity

The alignment or orientation of opposing properties in a system.

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Fluorescent

Fluorescent

A substance that absorbs light at one wavelength and re-emits the energy as light at another wavelength.

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Vacuole

Vacuole

A fluid-filled compartment inside a cell, surrounded by a membrane.

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Cilia

Cilia

Tiny, hair-like projections from the surface of a cell that wave in unison to cause movement.

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Empirical formula

Empirical formula

A formula that shows the simplest whole number ratio of atoms in a compound.

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