In this guide helps young scholars understand their garden as a model watershed through the collection and analysis of rainwater filtration data.[4.06]

On this virtual field trip, teachers will help their students travel to the lush, rain-soaked splendor of the Olympic Peninsula and explore the urban watershed of Seattle. Next, they will head to Arizona's dry, desert landscape and take...

In this activity, students carry out a chemical reaction in which two reactants (baking soda and hydrochloric acid) produce three products (sodium chloride, carbon dioxide gas, and water) and determine that the solid product (sodium...