Shadows are formed when light from a source is blocked by an opaque object.

​​​​​​​The closer an object is to the source of light the bigger the shadow.

Shadows from the sun can be used to tell the time in a sundial.

View the PowerPoint below to explore this.

Watch the video below to find out more about how shadows are used.

Follow these hyperlinks to learn more:-

  1. BBC Bitesize on Shadows
  2. BBC Videos on Light
  3. Childrens University Shadow Simulator

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