What do you see when you look at a handful of sand? Iron? Lime? Maybe even Gold?? In this movie, we will show you how you can separate some of the components of sand or gravel and see the ingredients are. And if you are interested in how pan for gold, check out our "Panning for Gold!" movie in the same section!!
This movie is in Quick Time format. If you need a plug-in to view it, you can get it here.
© 2002 Everyday Science, Poudre School District, Colorado State University