Shadows get their shape from the light around them. Imagine you're holding up a toy dinosaur in front of a lamp, the shadow looks like a dinosaur because the light is hiding parts of it. If the light comes from one side, the shadow stretches out on the other side. It's like the light is drawing a picture of what it can't see.
Examples
- A dog's tail makes a thin part in its shadow when it wags.
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See also
- What Causes the Northern Lights?
- How Does a Mirror Work Exactly?
- How Does Gravity Affect the Moon’s Orbit?
- What Causes a ‘Golden’ Sunset or Sunrise?
- How Does Gravity Affect Space Travel?
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Categories: Physics · optics,light,shadow