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In this activity (pages 17-31), learners are introduced to techniques that are used to determine the structures of solid materials.

In this activity (posted on March 12, 2011), learners follow the steps to construct a spectroscope, a tool used to analyze light and color.

In this optics activity, learners explore diffraction by adding wax blocks to a ripple tank. The wedge-shaped blocks act as obstacles that the wave must bend around.

In this activity, learners construct their own spectroscope as they explore and observe spectra from familiar light sources.

In this activity, learners use a compact disc to make a spectrometer, an instrument used to measure properties of light.

This paper describes a working-model demonstration of Ernest Rutherford's 1911 experiment about the nature of atoms.

In this optics activity, learners explore interference by adding wax blocks to a ripple tank.

With a laser pointer and some household items, learners can create their own laser light show. They can explore diffuse reflection, refraction and diffraction.