Science Comes Alive with LabTV! Free LabTV program has dozens of 5 minute episodes you can use with upper elementary and middle school students. Each episode is fascinating and shows how science and technology are used in careers and product development.
Build-A-Cell is a drag and drop game to teach students about the organelles and organelle substructures within a plant, animal, bacterial, and fungal cell.- Teacher can create their own lesson plan more than just cells on this site.
DIY Sand and Rock Box by FSPDT. Gdjk -> made this with toilet rolls (aka tunnels) and moon sand instead of play sand. My son loved playing with it. The moon sand cleans up nicely indoors but play sand will be easier to play with when using the small cars.