Hewitt Drew-It! PHYSICS Screencasts
Reflection and Refraction

106. Reflection
The law of reflection is extended to intriguing examples

107. Refraction
Snell's law extends to mirages and other examples of refraction.

108. Rainbows
Dispersion and the roundness of rainbows is discussed.

109. Pinhole Images
The pinhole camera nicely extends to viewing solar eclipses.

110. Lenses
Diverging and converging lenses and the images produced are discussed.