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Active Astronomy (and Physics!) for Active Minds

New Hubble Space Telescope image of the spiral galaxy Messier 81.

Classroom assessment and a conceptual approach increases achievement!

It's true! When measured by a conceptual assessment (such as the Force Concept Inventory in physics or the Astronomy Diagnostic Test), conceptual gains increase by 50% or more—sometimes even double.

The 10th edition of Astronomy: The Evolving Universe has been delayed. My apologies.