Sink or Float Lab- Measuring salinity and density

Grade Levels
6th - 9th
Resource Type
Formats Included
  • Zip
Pages
15 pages
$4.00
$4.00
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Description

What is the effect of salt on an objects ability to float? Included are 2 versions of this lab:

Version 1: Students will measure how much salt it takes to make a baby carrot float in a beaker of water. Emphasis is on salinity and comparing fresh water to salt water. Intended for grades 6-7. Includes a fully editable lab worksheet and powerpoint to accompany the lab.

Version 2: Students will measure the density of fresh water, a baby carrot, and salt water. Emphasis on calculating density and the effect of density on buoyancy. Intended for grades 8-9. Includes a fully editable lab worksheet and powerpoint to accompany the lab.

Materials needed for labs: beakers, water, salt, bag of baby carrots, measuring spoons, graduated cylinder, electronic scale or triple beam balance.

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Total Pages
15 pages
Answer Key
Included
Teaching Duration
50 minutes
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