Stars: HR Diagram & Classification

In this Model Eliciting Activity (MEA), students will categorize a list of stars based on absolute brightness, size, and temperature. Students will analyze astronomical data presented in charts and plot their data on a special graph called a Hertzsprung-Russell Diagram (H-R Diagram). Using this diagram, they must determine the proper classification of individual stars. Using their data analysis, students completing this MEA will develop two short essay responses to a professional client indicating which stars are Main Sequence Stars and which ones are White Dwarfs, Giants, or Supergiants.

Model Eliciting Activities, MEAs, are open-ended, interdisciplinary problem-solving activities that are meant to reveal students’ thinking about the concepts embedded in realistic situations. Click here to learn more about MEAs and how they can transform your classroom.
Resource ID#: 160297 Type: Lesson Plan
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General Information

Subject(s): Mathematics, English Language Arts, Science
Grade Level(s): 8
Intended Audience: Educators educators
Suggested Technology: Computer for Presenter, Internet Connection, Interactive Whiteboard, LCD Projector
Instructional Time: 3 Hour(s)
Resource supports reading in content area:Yes
Keywords: Star, hr diagram, stellar, luminosity, brightness, properties, astronomy, space, galaxy, light, magnitude, sun, life, cycle, supergiant, white dwarf, main sequence
Instructional Component Type(s): Lesson Plan,  Model Eliciting Activity (MEA) STEM Lesson
Resource Collection: STEM Lessons - Model Eliciting Activity

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