Density and Sinking and Floating

Keep your class afloat with a hands-on density lesson. The challenging lesson has learners experiment with different materials to compare their densities. They learn that increasing or decreasing the amount of the material doesn't change its density.

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Instructional Ideas
  • Lead a discussion prior to the lesson to gauge understanding of density and locate misconceptions
  • Bring a collection of objects made of different materials for pupils to predict whether they will sink or float
Classroom Considerations
  • Gather and prepare materials prior to the lesson
  • Part eight in the Inquiry in Action series of 16
Pros
  • Uses photos and animations to illustrate important concepts
  • Makes use of easily obtainable materials
Cons
  • None
NGSS