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Floating Pencil

Students discover how salt water makes a pencil float better than freshwater by measuring and comparing the lengths of the portion of the pencil that floats above the water surface. They then determine if an unknown water sample is fresh water or salt water.

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Resource Details

4th - 8th
1 more...
Resource Type
Lesson Plans
30 mins
Instructional Strategy
Inquiry-Based Learning
Included Materials
  • Project
  • Worksheet