Do you know how much water you have had in the last 24 hours? Do you know how much your body needs? In this hands-on activity, your class members will estimate how much water our bodies lose each day by filling and emptying one-liter...

Third graders explore agriculture by viewing video clips in class. In this farm animal lesson, 3rd graders identify the animals mostly eaten that come from farms and the types of food they consume before they are eaten by us. Students...

Article explains the power of acid rain. Acid rain dissolves forest nutrients faster than previously thought.