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Opaque

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Contents

Key Stage 2

Meaning

You cannot see through something that is opaque.

Key Stage 3

Meaning

Opaque materials do not allow light to pass through.

About Opaque Materials

A material may be opaque because it absorbs reflects light.
Some materials may not be completely opaque or transparent and may be referred to as translucent.
How much light is blocked by a material is called its opacity.

Key Stage 4

Meaning

Opaque materials do not allow light to pass through.

About Opaque Materials

A material may be opaque because it absorbs reflects light.
Some materials may not be completely opaque or transparent and may be referred to as translucent.
How much light is blocked by a material is called its opacity.