EEduVistaHQ
Explore • Experiment • Build • Learn

STEM Projects & Olympiad Lab

120 hands-on experiments, engineering builds, and Olympiad-inspired challenges for Grades 1 to 12.

Clear filters

52 projects

Grade 5
BuildIntermediate

Plane and Simple: Glider Design Test

Engineering, Science · Physics, Engineering

Build a lightweight paper glider, change its wing or weight, and measure how far each version flies.

40 to 60 min · 6 materialsView project
Grade 5
BuildIntermediate

Rebuild It from the Description

Engineering, Math · Structures, Geometry

One partner builds a secret structure and describes it, and the other rebuilds it using only measurements and words.

40 to 60 min · 5 materialsView project
Grade 5
BuildIntermediate

Solar System Scale Model

Science, Math · Earth Science, Measurement

Use a scale to place the planets along a strip of paper and discover how empty space really is.

40 to 70 min · 5 materialsView project
Grade 5
Math ChallengeIntermediate

The Garden Fence Challenge

Math, Engineering · Geometry, Measurement

Find the shape of rectangular garden that gives the most room when you have a fixed amount of fence.

40 to 65 min · 5 materialsView project
Grade 6
ExperimentIntermediate

Design Your Own Fair Test

Science, Math · Data Analysis, Measurement

Pick a question about everyday life, design a fair experiment to answer it, and present your results.

60 to 90 min · 4 materialsView project
Grade 6
ExperimentIntermediate

Gears and Speed

Engineering, Science · Machines, Physics

Connect gears of different sizes and discover how the number of teeth changes speed and turning force.

40 to 65 min · 4 materialsView project
Grade 6
ExperimentIntermediate

Levers and the Seesaw

Science, Engineering · Physics, Machines

Balance a ruler on a pencil and discover the rule for how weight and distance work together.

40 to 60 min · 5 materialsView project
Grade 6
BuildIntermediate

Lightweight Tower Load Test

Engineering · Structures, Engineering

Build a tall tower from straws or balsa that holds the most weight for the least mass.

1 to 2 hr · 7 materialsView project
Grade 6
ExperimentIntermediate

Paper Airplane Fair Test

Science, Engineering · Physics, Data Analysis

Add weight to the nose of a paper airplane and measure how it changes the distance it flies.

45 to 60 min · 5 materialsView project
Grade 7
BuildIntermediate

Balloon Hovercraft

Science, Engineering · Physics, Engineering

Build 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 project
Grade 7
ExperimentIntermediate

Liquid Density Tower

Science · Chemistry, Physics

Layer 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 project
Grade 8
BuildAdvanced

Elastic Launched Glider

Engineering, Science · Physics, Engineering

Build a lightweight glider launched by a rubber band and tune it for the longest flight time or distance.

1.5 to 2.5 hr · 7 materialsView project
Grade 8
ExperimentIntermediate

Food Science: Emulsions and Mayonnaise

Science · Chemistry, Data Analysis

Mix oil and water with different ingredients to find which emulsifiers hold the mixture together.

45 to 70 min · 6 materialsView project
Grade 9
ExperimentIntermediate

Chromatography and Rf Values

Science · Chemistry, Measurement

Identify unknown dyes by measuring their Rf values and matching them to known samples.

60 to 90 min · 7 materialsView project
Grade 9
ExperimentIntermediate

Heart Rate and Exercise

Science, Math · Biology, Data Analysis

Measure pulse before, during and after exercise and analyze how fast the body recovers.

40 to 60 min · 5 materialsView project
Grade 9
ExperimentIntermediate

Lenses and Focal Length

Science · Physics, Measurement

Use 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 project
Grade 10
ExperimentAdvanced

Food Calorimetry: How Much Energy Is in a Snack?

Science · Chemistry, Energy

Burn a snack under a can of water, measure the temperature rise, and compare the energy you capture with the label.

60 to 90 min · 9 materialsView project
Grade 10
ExperimentIntermediate

Hooke's Law and the Spring Constant

Science · Physics, Measurement

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 project
Grade 10
BuildIntermediate

Turbidity Tube: Measuring Water Clarity

Science, Engineering · Environmental Science, Measurement

Build a turbidity tube, calibrate it with cloudy water samples, and use it to compare local water sources.

60 to 90 min · 7 materialsView project
Grade 11
ExperimentAdvanced

Boyle's Law with a Syringe

Science · Physics, Chemistry

Squeeze trapped air with weights and show that pressure and volume change in opposite ways.

60 to 90 min · 6 materialsView project
Grade 11
ExperimentAdvanced

Pendulum Lab: Measuring Gravity with Uncertainty

Science, Math · Physics, Measurement

Use a string and a weight to measure the acceleration of gravity and judge how trustworthy your result is.

60 to 90 min · 7 materialsView project
Grade 11
ExperimentAdvanced

Reaction Rate and Temperature

Science · Chemistry, Measurement

Time how fast an effervescent tablet reacts in water at different temperatures and model the trend.

50 to 80 min · 6 materialsView project
Grade 11
ExperimentAdvanced

Speed of Sound with a Resonance Tube

Science · Physics, Measurement

Find the speed of sound by listening for resonance in a tube as the water level changes.

60 to 90 min · 5 materialsView project
Grade 12
ExperimentAdvanced

Designing an Experiment and Testing the Difference

Science, Math · Data Analysis, Probability

Run 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 project

EduVistaHQ.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.