120 hands-on experiments, engineering builds, and Olympiad-inspired challenges for Grades 1 to 12.
84 projects
Pour water through sand, clay and garden soil and find out which one lets water pass through fastest.
35 to 50 min · 8 materialsView projectLight a small bulb with a battery and wires, then build a switch from paper clips.
40 to 60 min · 6 materialsView projectBuild a craft stick catapult and find out how pull back and angle change how far it launches.
45 to 70 min · 7 materialsView projectDesign a cushioned package that keeps a raw egg safe when it is dropped from a height.
50 to 80 min · 6 materialsView projectRub a balloon on different materials and test which one gives the strongest static charge.
30 to 45 min · 6 materialsView projectSeal water in a bag on a sunny window and watch evaporation, condensation and rain happen.
20 to 30 min · 6 materialsView projectDesign a filter from sand, gravel and cotton and test how well it cleans muddy water.
60 to 90 min · 9 materialsView projectTime how long sugar takes to dissolve in cold, warm and hot water, then explain what you see.
30 to 45 min · 6 materialsView projectPour rain on soil slopes with and without plants or mulch and measure how much soil washes away.
45 to 70 min · 8 materialsView projectMake a battery from lemons, a nail and a coin and measure its voltage as you add more lemons.
40 to 65 min · 6 materialsView projectMake a spinning paper helicopter and test how blade length changes how long it takes to fall.
35 to 55 min · 6 materialsView projectBuild parachutes of different sizes and find out how canopy size changes how long a toy takes to fall.
40 to 60 min · 6 materialsView projectBuild a lightweight paper glider, change its wing or weight, and measure how far each version flies.
40 to 60 min · 6 materialsView projectUse a scale to place the planets along a strip of paper and discover how empty space really is.
40 to 70 min · 5 materialsView projectPick a question about everyday life, design a fair experiment to answer it, and present your results.
60 to 90 min · 4 materialsView projectConnect gears of different sizes and discover how the number of teeth changes speed and turning force.
40 to 65 min · 4 materialsView projectBalance a ruler on a pencil and discover the rule for how weight and distance work together.
40 to 60 min · 5 materialsView projectBuild a marble track with hills and a loop, and measure how height, friction and energy change the ride.
1 to 1.7 hr · 6 materialsView projectAdd weight to the nose of a paper airplane and measure how it changes the distance it flies.
45 to 60 min · 5 materialsView projectBuild a hovercraft from a CD and a balloon, then test how load and air supply change how far it glides.
40 to 70 min · 7 materialsView projectBuild a working circuit, then use it as a tester to sort materials into conductors and insulators.
45 to 60 min · 6 materialsView projectSeparate the colors in black pens with paper chromatography to find which pen wrote a mystery note.
40 to 60 min · 6 materialsView projectLayer honey, dish soap, water and oil in a glass and measure the density of each liquid to explain the order.
40 to 60 min · 8 materialsView projectSoak potato pieces in salt solutions of different strengths and use their mass change to find the concentration that matches the potato cells.
1 to 2 hr · 7 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.