Curated OER
Nitrogen Fixation, OR What a Gas!
Learners illustrate the adaptation and co-evolution of organisms. They examine set up an experiment to determine the effect of adding the Rhizobium bacteria to a group of legume seeds.
Curated OER
Nitrogen Fixation, OR What a Gas!
Young scholars gain skill in the design, implementation, and reporting of a scientific research project using the scientific method. They set up an experiment to determine the effect of adding the Rhizobium bacteria to one group of...
Curated OER
An Investigation into Effects of Rhizobium Soil Bacteria on Nitrogen Availability
Learners identify the control and the variables in the experiment. They describe the growth of plants with and without nitrogen fixing bacteria, then name the bacterium responsible for making nitrogen available to the plant.
Curated OER
Living Without Oxygen: Oxygen Tolerance in Bacteria
High schoolers explore and experience a variety of chemical processes that are carried out by bacteria and determined by the amount of oxygen present in the environment in which they live. They review and examine various chemical...