Tenth graders collect and analyze soil samples and extrapolate the characteristics needed to support different types of plant life. They research different types of prairie soil and how it supports plant and animal life.

Students measure the pH of local rain water. Students map the location of the collected rain water according to pH levels.

In this interactive module, you will learn how metabolic acidosis or alkalosis can arise and how these conditions shift the bicarbonate equilibrium. The body's compensatory mechanisms and treatment options are also discussed.