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Liquid Rainbow

Students develop their own techniques for drawing a small sample of solutions into a straw. They hypothesize ways to increase the density of water, and discuss how salt-free rainwater tends to float on top of salty seawater.

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Resource Details

Grade
2nd - 5th
Subjects
Science
1 more...
Resource Type
Lesson Plans
Duration
45 mins
Instructional Strategy
Inquiry-Based Learning
Included Materials
  • Vocabulary