Practice correlating: Chlorophyll and phosphorus in lakes

Given lake water quality data students make a graph and explain how the graph supports or refutes a given hypothesis.

Activity Type: 


Types of Instruction: 

  • Data Practice


  • 8, 9+


  • Earth Science, Life Science


  • Analyzing and interpreting data, Earth's Systems, Energy and Matter in Systems, Engaging in argument from evidence, Human Impacts, Interdependent Relationships in Ecosystems, Matter and Energy in Organisms and Ecosystems, Stability and Change of Systems

Statistical Concepts: 

  • Correlation


  • analyzing data, argument, Correlations, Graph choice, graphing data, interpreting data, representing data, using math in science

Graph Types: 

  • Scatter plot


Analyzing and interpreting data
Evaluate the claims, evidence, and reasoning that the complex interactions in ecosystems maintain relatively consistent numbers and types of organisms in stable conditions, but changing conditions may result in a new ecosystem.
Design, evaluate, and refine a solution for reducing the impacts of human activities on the environment and biodiversity.