Paul Andersen Paul Andersen

PS3.B: Conservation of Energy and Energy Transfer

 
PS3B.jpg

Paul Andersen explains how energy is conserved within a system.  In both macroscopic and microscopic collisions the amount of energy before the collision is equal to the amount after.  He then defines heat as energy transfer between objects with different temperatures.  He explains how heat is transferred via conduction, convection and radiation.  A teaching progression K-12 is also included.

Read More
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.
 

Read More
Paul Andersen Paul Andersen

SEP3: Planning and Carrying Out Investigations

 

Paul Andersen explains how investigations are used by scientists to answer questions and by engineers to test designs.  He delineates be investigative and observational science.  He demonstrates the formation of a good question the design of an effective investigation.

Read More