Lab #29.12 Light: Trapping the Light Fantastic

PurposeIn this activity, students will investigate the behavior of light as it passes from one transparent material to another.

When light passes from one transparent material to another, it undergoes refraction. If the light crosses the boundary between the materials at an angle, the light changes direction. In this activity, you will see how the direction changes when light travels from air to water and when light travels from water to air.

Required Equipment

Light beam viewing tank (or equivalent), opaque white tank insert, stirring rod, access to water
access to scattering agent (Mop-N-Glo™, Pine-Sol™, powdered milk, or equivalent), laser pointer


Student Worksheet   Teacher Notes

6" Stirring Rod 12/pk

In Stock SKU: 62-1006

Standard Red Laser Pointer

In Stock SKU: P2-7500

Deluxe Green Laser Pointer

In Stock SKU: P2-7675

Laser Viewing Tank

In Stock SKU: P2-7690

Collin Wassilak

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