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606 projects · 13 streams · every class

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3 projects

We couldn't find an exact match. These are the closest 3, found by leaving out the difficulty.

Or look inTwo-subject projectsHelp me choose

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.

ExperimentHousehold materialsFull guide

  • Easy
  • 1 day
  • Under 250

Chemistry · Analytical Chemistry

Estimate the calcium carbonate in eggshells

React eggshell with vinegar, measure the mass of carbon dioxide lost and calculate its purity.

ExperimentHousehold materials

  • Intermediate
  • 1 day
  • Under 250

Materials, Energy and Other Branches + Chemistry

Study corrosion protection for steel

Compare paint, oil, zinc coating and sacrificial protection on steel in salt water.

ExperimentHousehold materials

  • Intermediate
  • 2–4 weeks
  • 250–500

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