Dositey has a math activity to practice addition regrouping.
Edheads created an interactive science activity about simple machines.
Harcourt Math. Activities can be found under "That's a Fact" and "Math Jingles".
Counting coins is a math activity where students can count the correct change to purchase a toy.
Animoto is the website that I occasionally use to create slide shows of pictures taken during class activities> Students can also use this site to create free 30 second photo collages with music.