Curated OER
Photosynthesis
In this photosynthesis worksheet, students complete 20 various types of questions related to photosynthesis. First, they match each description in the first column with the correct vocabulary term in the second. Then, students explain...
Curated OER
Bacteria: Friend or Foe?
Young scholars examine a variety of environmental and industrial roles of bacteria. explore where bacteria can be found and distinguish bacteria from other organisms.
Curated OER
Nitrogen Fixation, OR What a Gas!
Young scholars 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.
Vision Learning
Visionlearning: Earth Science: The Nitrogen Cycle: Of Microbes and Men
Instructional module focusing on the nitrogen cycle. Discussion includes the requirement of nitrogen by all organisms, the five processes in the nitrogen cycle, and how humans impact this cycle. The site also includes an interactive...
Simon Fraser University
Chem1 Virtual Textbook: The Haber Process
Acting as an overview from the General Chemistry Virtual Textbook, this site explores the Haber process and provides specific information on Fritz Haber. Carl Bosch and his work in relation to Haber's is also discussed.
Nature Research
Nature: The Nitrogen Cycle: Processes, Players, and Human Impact
Find out how nitrogen is cycled throughout the biosphere as it passes through the nitrogen cycle. Learn about the biotic and abiotic factors involved in the process as well as the implications of human activity on the nitrogen cycle.
Sophia Learning
Sophia: Plants: Lesson 3
This lesson will explain the role of plants in everyday life. It is 3 of 5 in the series titled "Plants."
CK-12 Foundation
Ck 12: Biology: Nitrogen Cycle
[Free Registration/Login may be required to access all resource tools.] Covers the nitrogen cycle.
University of Missouri
Nitrogen in the Environment: The Nitrogen Cycle
A description of the key concepts and steps within the nitrogen cycle, along with a large chart illustrating the cycle in pictorial form.
University of Illinois
University of Illinois: Illinois State Water Survey: Nitrogen Cycle: Human Impact on the Nitrogen Cycle
An overview of the impact of human activities on the environment and how those actions effect the nitrogen cycle.
Georgia Department of Education
Ga Virtual Learning: Matter and Energy Cycles
In this incredibly comprehensive interactive tutorial you will learn about the carbon cycle. You will also learn about how matter and energy flows through the nitrogen cycle and phosphorus cycle.
BiologyWise
Biology Wise: Nitrogen Cycle Steps
Nitrogen is essential to all living things. This article explains what the nitrogen cycle is and the five steps involved in it.
Biology Pages
Kimball's Biology Pages: The Nitrogen Cycle
An overview of the nitrogen cycle, covering nitrogen fixation, decay, nitrification, denitrification, and more.
University of Illinois
University of Illinois: Illinois State Water Survey: Simplified Nitrogen Cycle
A semi-technical description of the nitrogen cycle. Contains a link to an abridged version of the page along with a list of further resources on the topic.
Sophia Learning
Sophia: Plants: Lesson 4
This lesson will explain the role of plants in everyday life. It is 4 of 5 in the series titled "Plants."
Sophia Learning
Sophia: Plants: Lesson 1
This lesson will explain the role of plants in everyday life. It is 1 of 5 in the series titled "Plants."
Sophia Learning
Sophia: The Role of Plants in the Food Chain: Lesson 2
This lesson explains the role plants play in the conversion of inorganic materials into organic material to support living things. It is 2 of 3 in the series titled "The Role of Plants in the Food Chain."
Sophia Learning
Sophia: The Role of Plants in the Food Chain: Lesson 3
This lesson explains the role plants play in the conversion of inorganic materials into organic material to support living things. It is 3 of 3 in the series titled "The Role of Plants in the Food Chain."
BiologyWise
Biology Wise: What Are Nitrogen Fixing Bacteria
Describes symbiotic relationship between leguminous plants and nitrogen-fixing bacteria. Explains the mechanism the bacteria use to fix nitrogen, the chemical formula involved, and different types of nitrogen-fixing bacteria.
BiologyWise
Biology Wise: Understanding Nitrogen Cycle With a Diagram
Describes the steps involved in the nitrogen cycle, a critical biogeochemical cycle.