120 hands-on experiments, engineering builds, and Olympiad-inspired challenges for Grades 1 to 12.
7 projects for Grade 9
Measure foam produced when hydrogen peroxide meets potato and test how temperature and surface area change the rate.
50 to 80 min · 8 materialsView projectIdentify unknown dyes by measuring their Rf values and matching them to known samples.
60 to 90 min · 7 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 projectMake leaf disks sink and time how long they take to float as photosynthesis fills them with oxygen.
1 to 1.7 hr · 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 projectMake 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 projectEduVistaHQ.com · Learn • Explore • Grow. Olympiad-inspired activities are practice for the skills those competitions use. EduVistaHQ is not affiliated with Science Olympiad or any other competition organization.