What’s the Matter?

This What’s the Matter? lesson plan also includes:

This space is reserved for matter. After finding the density of a foam ball, young scientists predict the density of a larger ball. When they encounter a discrepant event, they must theorize an explanation. These concepts are linked to predicting dark matter in the universe.

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CCSS: Adaptable
NGSS: Adaptable
Instructional Ideas

  • Have pupils work in pairs and remind them to measure the circumference and come to an agreement
Classroom Considerations

  • Post the formula for volume of a sphere, circumference of a circle, and density if learners are not already confident with them
  • Requires simple algebra
  • Prepare the discrepant ball prior to starting the lesson and keep it out of view of all pupils
Pros

  • Lesson follows a 5E format
  • Clearly explains why scientists use multiple methods to predict the mass in a galaxy
Cons

  • None