A simple activity goes a long way in demonstrating the property of porosity to your rock hounds. They will mass a specimen of dry sandstone and then soak it in a pre-measured amount of water. After seven minutes, they once again measure...

Give this summary of 16 pages of a text to your class to deepen understanding of cell permeability, diffusion, ions, and more. The handout portion includes vocabulary clarifications, detailed color diagrams, and important information;...

Learners examine the three different types of soil and their physical properties.  In this soil lesson students design and implement a model of a water treatment plant. 

Students devlop a model, which they illustrate a water table and allow for the discussion of common terms and illustrate what those terms mean. They comprehend that a flow rates, removal of contaminants, and the amount of water stored...

High schoolers investigate the concept of water permeability in order to help find the best material to line a canal. The goal is to find a material that does not allow water to escape. They also conduct an experiment and record the...