Students comprehend the four parameters of water quality. They perform tests for salinity, dissolved oxygen, pH and clarity or turbidity. Students comprehend why scientists and environmental managers monitor water uality and aquatic...

Find out how bacteria in the digestive system works to digest food.

There are battles that are fought each day on the planet. The invading forces are those of viruses and bacteria. Left alone they would take over and destroy every cell! It is up to some key defense systems to battle and destroy these...

In this experimental site, you will find out where bacteria hang out and determine what kind of environmental conditions influence bacterial growth. Directions are clear and complete.

Take this quiz to assess your knowledge of microorganisms. Use the links to enlarge the quiz to full screen, take the quiz in a different format, read about microorganisms prior to taking the quiz, and try the fun, interactive learning...

The Discovery Channel provides numerous topics that are the most popular science topics taught in upper elementary and middle school. Content is organized by topics (Bacteria, Oceans, Solar System, etc.); all topics include quick facts,...

Middle school students from the North Kirkwood Middle School in Kirkwood, Missouri, created this scientific magazine as part of a study of bacteria. After doing background research, a small group of students created this magazine to...

A hypothetical scenario is introduced in which the class is asked to apply their understanding of the forces that drive natural selection to prepare a proposal along with an environmental consulting company to help clean up an area near...