water pollution experiment. Pick up trash around the play ground and put it in water and watch the water over a couple of days. This link also has lots of ideas for things you can make out of recycled items.
Earth Day Activity Water Pollution Experiment--Students try to remove oil from polluted water in a variety of ways. Great for pollution, Earth science, and teaching about the environment. Fun! #5thgrade #earthday
Free app from National Geographic Kids teaches children about ocean animals and the importance of water conservation in a fun and interactive adventure game. Help Jacques on his mission to clean up the world's ocean! • Travel the world to clean up polluted spots. • Save Jacques' tools from a whirlpool, scurry past blowholes, and surf up tidal bores! • Build your own unique creatures in the Creature Builder, and learn about real-life animals with the "WhatsIt Wand."