Paul Andersen Paul Andersen

ESS3.C: Human Impacts on Earth Systems

 

In this video Paul Andersen explains how humans are impacting the Earth through farming, mining, pollution and climate change.  According to the NGSS wise management can reduce impacts on the planet.  This will become more important as developing countries start consuming more resources.  A K-12 teaching progression is also included.

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Paul Andersen Paul Andersen

CCC2: Cause and Effect

 

In this video Paul Andersen explains cause and effect its importance in science and engineering.  He starts by addressing the chain of interactions that must be present to show cause and effect.  He addresses the assumptions of universality and scale in determining cause and effect.  He finished the video with a progression of instruction from K-12.
 

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Paul Andersen Paul Andersen

SEP6: Constructing Explanations and Designing Solutions

 

Paul Andersen explains how scientists modify theories by constructing explanations.  He also discusses the cycle of design used by engineers to solve problems.  He starts by defining a theory as a well-established explanation of a phenomenon that is refined over time.  Examples discussed in the video include the big bang theory, the germ theory and the theory of natural selection.  He also lays out a progression for building this skill in students.

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