Biology · Cell Biology
Observe osmosis in potato strips
Soak potato strips in salt solutions and find the concentration at which they neither gain nor lose mass.
- Easy
- 1 day
- Under 250
606 projects · 13 streams · every class
Student projects that use Balance, from first builds to portfolio pieces, each with steps, materials and a report outline.
5 projects
Biology · Cell Biology
Soak potato strips in salt solutions and find the concentration at which they neither gain nor lose mass.
Chemistry · Analytical Chemistry
React eggshell with vinegar, measure the mass of carbon dioxide lost and calculate its purity.
Chemistry + Environmental Science
Soak chalk and marble chips in liquids of different acidity and measure the mass they lose.
Chemistry · Organic Chemistry
Make soap by cold-process saponification under supervision and test its pH and lather.
Materials, Energy and Other Branches + Chemistry
Compare paint, oil, zinc coating and sacrificial protection on steel in salt water.
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