This site has projects for older students, with ideas like building an earth wormery, growing crystals, a model roller coaster, pizza box solar oven, a water purifier and easy solar prints.
A totally free index of Internet resources for the K-12 Community.
This site has projects for older students, with ideas like building an earth wormery, growing crystals, a model roller coaster, pizza box solar oven, a water purifier and easy solar prints.