DO SOMETHING DIFFERENT IN CLASS TODAY! This is a Jigsaw Puzzle that uses HEI content to connect the pieces. It teaches content AND problem solving (what a unique concept!) It can be used to teach content or review content. It covers: Polders, Aral Sea, Trans-Siberian Railway, Chernobyl Nuclear Explosion, Slash and Burn Farming, Deforestation, Ganges River Pollution, Industrial Revolution, Green Revolution, Desalinization, Panama/Suez Canal, and Rabbits in Australia. Check out the preview to