120 hands-on experiments, engineering builds, and Olympiad-inspired challenges for Grades 1 to 12.
120 projects
Hang masses from a spring, measure how far it stretches, and find the spring constant from the slope of a graph.
50 to 80 min · 6 materialsView projectEstimate the number of beans in a bag the way biologists estimate wildlife populations.
45 to 75 min · 5 materialsView projectBuild a turbidity tube, calibrate it with cloudy water samples, and use it to compare local water sources.
60 to 90 min · 7 materialsView projectEncrypt with a keyword and break the cipher by splitting the message and using frequency analysis on each part.
1 to 1.7 hr · 4 materialsView projectFlip 10 coins many times, build a histogram of heads, and compare it with the binomial model.
1 to 1.7 hr · 4 materialsView projectSqueeze trapped air with weights and show that pressure and volume change in opposite ways.
60 to 90 min · 6 materialsView projectMove a magnet through a coil of wire, measure the voltage it makes, and find what makes the voltage bigger.
1 to 1.7 hr · 6 materialsView projectCode the Fibonacci sequence two ways, compare their speed, and watch the ratio of terms home in on the golden ratio.
1 to 1.7 hr · 3 materialsView projectFind the minimum release height for a marble to complete a vertical loop and compare it with the physics prediction.
1 to 1.7 hr · 6 materialsView projectMeasure how current changes with voltage through a resistor and find resistance from the slope of a graph.
60 to 90 min · 6 materialsView projectUse a string and a weight to measure the acceleration of gravity and judge how trustworthy your result is.
60 to 90 min · 7 materialsView projectTime how fast an effervescent tablet reacts in water at different temperatures and model the trend.
50 to 80 min · 6 materialsView projectDrop hot metal into cool water in an insulated cup and use the temperature change to find the metal's specific heat.
60 to 90 min · 8 materialsView projectFind the speed of sound by listening for resonance in a tube as the water level changes.
60 to 90 min · 5 materialsView projectRun a two-group reaction time experiment, calculate means and standard error, and decide whether the difference is real.
1.3 to 2 hr · 4 materialsView projectCrash two toy carts together, measure speeds from video, and test whether total momentum is conserved.
1.3 to 2 hr · 7 materialsView projectRecord how a cup of hot water cools, fit an exponential model, and use it to predict the temperature at a later time.
1 to 2 hr · 6 materialsView projectChart the voltage across a charging capacitor and fit the exponential curve to find the time constant.
1.2 to 1.8 hr · 7 materialsView projectRoll a solid cylinder and a hollow tube down the same ramp and use the winner to test a prediction from rotational physics.
1.2 to 1.8 hr · 6 materialsView projectFind the fastest route on a weighted map by hand, then turn the method into code.
1.2 to 2 hr · 4 materialsView projectDrop stacks of coffee filters, measure their steady fall speed, and show how air drag grows with speed.
1 to 1.7 hr · 5 materialsView projectDiscover why the average of two numbers is never less than their geometric mean and use it to solve optimization problems.
1 to 1.7 hr · 3 materialsView projectCut squares from a sheet to fold an open box, then model its volume and find the cut that holds the most.
60 to 90 min · 7 materialsView projectSolve the Tower of Hanoi puzzle, find the minimum number of moves, and prove your formula by induction.
1 to 1.7 hr · 3 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.