Curated OER
AP: Chapter 37: Plant Nutrition
Two pages of questions provide a brief overview of plant nutrition. Biology or botany brainiacs describe how plants absorb and transport nutrients, they explain the role of different bacteria, and they describe a variety of unusual...
Curated OER
An Investigation into Effects of Rhizobium Soil Bacteria on Nitrogen Availability
Students 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.
Scholastic
Scholastic: Study Jams! Science: Ecosystems: The Nitrogen Cycle
A video and a short multiple-choice quiz on the nitrogen cycle and how it works in an ecosystem.