Identify unknown dyes by measuring their Rf values and matching them to known samples.
Calculate Rf values for several dyes and use them to identify an unknown ink.
Make a natural pH indicator from red cabbage and use its colors to rank everyday liquids from acid to base.
60 to 90 min · 11 materialsView projectMeasure foam produced when hydrogen peroxide meets potato and test how temperature and surface area change the rate.
50 to 80 min · 8 materialsView projectUse a magnifying lens to form an image on a screen, measure its focal length, and test the lens equation.
50 to 80 min · 5 materialsView projectMix oil and water with different ingredients to find which emulsifiers hold the mixture together.
45 to 70 min · 6 materialsView projectMeasure pulse before, during and after exercise and analyze how fast the body recovers.
40 to 60 min · 5 materialsView projectMeasure the pulling force needed to slide a disc with and without an air cushion and calculate the coefficient of friction.
60 to 90 min · 6 materialsView projectEduVistaHQ.com · Learn • Explore • Grow