The Elements Song Animation- the elements song...I've used this song for years, but this is a new animation. Cools!
The Water Cycle
They Might Be Giants "Solids, Liquids, Gases" ~ Notice how the tempo changes in the song when they sing about the different states of matter!
7 Good Virtual Tours for Students
▶ What makes a rainbow? - YouTube
Quick (2:34 min) video to illustrate to students just how big the objects in space actually are.