Nov 03
Like Free Rice http://freerice.com/. Instead of rice you are earning cups of water. They display a geographical location and you need to place your flag on a map as close as you can. The closer you place your flag to the correct location, the more cups of water will be donated.
I was reminded of this site by Jennifer Dorman. She shared it in the Discovery Educator Network Diigo group. Find more great links and share ones you find here http://groups.diigo.com/groups/discovery-educator-network
