Illustration of Understands and applies knowledge of the inter-dependence of organisms in the ICLE's Rigor and Relevance Framework
Quadrant C

Sample water from a variety of streams for nitrate levels before and after a spring rain. Analyze the information and explain what steps are needed to reduce nitrates in water sources.

* Constancy and Change

 Quadrant D

Develop a proposal for Iowa with techniques and practices that could be adopted to reduce nitrates in surface water and groundwater.
Quadrant A

Diagram a carbon cycle, a nitrogen cycle. Research effects of high nitrate levels on human health.

*Systems, Order, Organization

 Quadrant B

Contrast differing views relating the industrial revolution and burning of fossil fuels to global carbon dioxide levels.

*Unifying Concept (NSES) represented in this activity. Unifying concepts cross curricular areas and provide students with productive and insightful ways of thinking about and integrating basic ideas that explain the natural and designed world.