The Coalition for Science After School: Oil Spill! Connecting STEM activities to real world problems Describe and predict how changes in the environment (e., fire, pollution, flood, building dams) can affect systems.
Build a bridge out of Legos! Challenge your kids to build a bridge that can support the weight of 100 pennies in a small cup. Then, challenge them to increase the span of their bridge, or to increase the amount of pennies that the bridge can hold.