Light and vibration

Make shadows, steer light and connect a vibration with a sound wave.

Choose any question to begin.

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1. 1

   What makes a shadow bigger?

   Move an object between a small light source and a screen to compare its shadow.

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2. 2

   How can a mirror redirect light?

   Turn a flat mirror and follow equal angles at its surface.

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3. 3

   Why does light bend at a boundary?

   Change the material and incoming angle at a transparent boundary.

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4. 4

   What happens when coloured lights overlap?

   Combine red, green and blue light on a dark screen.

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5. 5

   How does a vibration travel as sound?

   Follow a moving source and air particles that pass a disturbance along.

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Each discovery includes all five reading levels. Journey progress reflects the checkpoints answered on this browser.

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