# How Shadows Form

Recognise that shadows are formed when light from a source is blocked by an opaque object, and find patterns in how shadow size changes

Builds on: Light & Seeing in the Dark (hard, https://ai.page/c/light-and-seeing-in-the-dark/en.md), Transparent, Translucent & Opaque (hard, https://ai.page/c/transparent-translucent-and-opaque/en.md), Light & Sound Vocabulary (hard, https://ai.page/c/light-and-sound-vocabulary/en.md)

Concept id: how-shadows-form. Subject: science. Licence: CC BY-SA 4.0.

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