National Park Service
Reduce Our Carbon Footprint, Let’s Compost!
Roll up your sleeves and get a little dirty with this elementary and middle school compost lesson plan. All you need is a large plastic container, a couple old newspapers, some organic waste, and a few hundred worms and you're ready...
Cornell University
Making a Battery
Don't be shocked when your class has a blast making their own batteries! Science scholars examine a dry cell battery, then design and construct a wet cell battery. The activity guides them through the parts of a battery, the variables...