Lesson Plan

Dissolving and Back Again

From solid to liquid and then back again. Young scientists  dissolve salt in water and then evaporate the water while observing what happens to the solute. They use their observations to make predictions about other solutions.

3 Collections 6 Views 1 Download NGSS: Designed
Instructional Ideas
  • Have groups each dissolve a different substance and compare results
Classroom Considerations
  • Builds on content from previous lessons
  • Prepare materials prior to the lesson
  • Installment three in the 16-part series
Pros
  • Uses easily obtainable materials and resources
  • Includes a detailed teaching guide with guiding questions
Cons
  • None
NGSS