Objective:
To learn about refraction of light and the properties of light as it travels through different mediums.

Standards:
Light, Heat, Electricity, and Magnetism (light reflectance, refraction, and absorption), Transfer of Energy (light transmission, refraction, absorption, reflection, and scattering).

Materials:
drinking glass, drinking straw, and water.

Procedure:
Fill the glass halfway with water.
Place [...]