Student compares the water permeability of soils to understand their physical and environmental properties. What particles make up soils? What are the physical characteristics of soils? How can soil t ...
In a series of experiments, students will learn about why fresh vegetables age so quickly, and what factors speed up the browning process. They will learn how the surface tension of the salad oil, the ...
Moisture is tricky. It likes to escape out of tiny holes in a process called evaporation. Plastic wrap is supposed to keep food fresh in the fridge. If you have fruit you would like to save, you proba ...
The goal of this project is to reveal that membranes can be semi-permeable—allow for the inward and outward flow of .Eggs offer students a tangible example of membranes.They also help students underst ...