http://www.tpt.org/newtons/index.php Public television offers wonderful resources, and here is one you may not find on your TV!  Check this link for episodes that cover animals and plants, earth and space, health and medicine, chemistry and food, technology and invention, and physics

http://tv.blinkx.com/show/bill-nye-the-science-guy/Br8O69m8lZ6B6bGyYSHj5tRDvYI#s1 Comedian/scientist Bill Nye stars as the genial host of this popular, fast-moving show designed to get kids interested in the science of everyday, and some not-so-everyday, things. Covering a wide range