Ions in the Environment

A lot of learning is packed into these 23 questions about ecosystems. Advanced biology classes apply their knowledge of communities, productivity, biogeochemical cycles, and human impact on the environment by writing short answers for...

Students research an assigned biogeochemical cycle. In this cycle activity, students need to determine that all cycles need energy to continue. The students will look at a given cycle to describe it, research and draw an assigned cycle,...

The majority of this presentation is a collection of diagrams and graphs that back your lecture on biogeochemical cycles. The last few slides define ecosystems and the Gaia hypothesis. You may find these slides valuable, but will...

A woman had a job crushing cans at the recycling plant; it was soda pressing. Video focuses on the ways our environment recycles, including the water cycle, carbon cycle, nitrogen cycle, and the phosphorus cycle. It also describes the...

Test your knowledge of biogeochemical cycles.

A college-level video lecture explaining and discussing the carbon cycle. Gives an interesting perspective on the chemistry of the carbon cycle and how essential it is to the survival of life on Earth. [6:20]

A description of the key concepts and steps within the nitrogen cycle, along with a large chart illustrating the cycle in pictorial form.

Paul Andersen explains how biogeochemical cycling is used to move nutrients from the environment into living material and back again. He explains the water cycle, the carbon cycle, the nitrogen cycle and the phosphorus cycle. He also...

Using cabbage juice as a pH indicator, future scientists explore the effect of increasing carbon dioxide on the pH of the ocean and relate it to the health of coral reefs. Ideal for an earth or environmental sciences course, this lesson...

Learners are able to demonstrate acquired knowledge in energy and biogeochemical cycles through a midterm test. They complete their test after finishing they each choose a biome and point of the key features of it which include: What the...