Join the tree house detectives in learning about the processes of the water cycle, water conservation, water treatment, and water as a limited resource.

How do people transport fresh water long distances to ensure everyone has access to it? The final lesson in the 10-part Fresh Solutions unit encourages individuals to design their own solution, or solutions, to that very problem. Groups...

Sixth graders use the edible and nonedible parts of various fruits to determine percentages. Using measurements and appropriate tools are part of the lesson plan.

Sixth graders complete a variety of activities to explore both positive and negative effects of microorganisms. They, in groups, engage in a series of experiments which illustrate the effects of certain molds.