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STEM Projects & Olympiad Lab

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

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52 projects

Grade 1
ExperimentBeginner

Sink or Float?

Science · Physics, Measurement

Guess whether everyday objects will sink or float, then test them in water and look for a pattern.

20 to 30 min · 4 materialsView project
Grade 3
BuildBeginner

Paper Bridge Challenge

Engineering, Science · Structures, Engineering

Fold a flat sheet of paper into a bridge and test how many pennies it can hold.

30 to 45 min · 6 materialsView project
Grade 8
Math ChallengeIntermediate

Ramp Height and Distance: Finding a Line

Math, Science · Physics, Data Analysis

Roll a toy car down ramps of different heights, graph the data, and find the slope of the line.

60 to 90 min · 7 materialsView project
Grade 10
ExperimentAdvanced

Projectile Range: Modeling a Rolling Launch

Science, Math · Physics, Data Analysis

Launch a marble off a table from different ramp heights and test a physics model of how far it lands.

1.5 to 2 hr · 7 materialsView project
Grade 1
BuildBeginner

Build the Tallest Tower

Engineering · Structures, Engineering

Stack cups or blocks into a tower, measure how tall it gets, and find a design that stands the highest.

25 to 40 min · 3 materialsView project
Grade 1
Math ChallengeBeginner

How Long Is My Foot? Measuring with Anything

Math · Measurement, Number Sense

Measure the same things with paper clips, blocks and a ruler and discover why we need standard units.

25 to 40 min · 5 materialsView project
Grade 1
ExperimentBeginner

Shadow Detectives

Science · Physics, Measurement

Use a flashlight to find out how a shadow changes when an object moves closer or farther away.

20 to 30 min · 5 materialsView project
Grade 1
BuildBeginner

Weather Watchers: Build a Rain Gauge

Science, Math · Earth Science, Measurement

Make a simple rain gauge from a bottle and record how much rain falls each day for a week.

30 to 45 min · 7 materialsView project
Grade 2
ExperimentBeginner

Balloon Rocket Race

Science, Engineering · Physics, Engineering

Send a balloon zooming along a string and discover how air pushes it forward.

25 to 40 min · 7 materialsView project
Grade 2
ExperimentBeginner

Bean Seed Window Garden

Science · Biology, Measurement

Sprout beans in a bag on a sunny window and record what the seeds need to grow.

15 to 20 min · 6 materialsView project
Grade 2
ExperimentBeginner

Ice Melt Race

Science · Chemistry, Measurement

Add salt or sugar to ice cubes and find out what melts ice the fastest.

25 to 40 min · 7 materialsView project
Grade 2
ExperimentBeginner

Paper Towel Absorbency Test

Science · Chemistry, Measurement

Compare brands of paper towel to find out which one soaks up the most water.

25 to 35 min · 5 materialsView project
Grade 2
ExperimentBeginner

Ramp Pull: Do Ramps Make Lifting Easier?

Science, Engineering · Machines, Physics

Use a rubber band to compare how hard it is to lift a toy straight up and to pull it up ramps.

30 to 45 min · 6 materialsView project
Grade 2
BuildBeginner

Sundial Shadow Clock

Science, Math · Earth Science, Measurement

Make a simple sundial and mark the Sun's moving shadow through the day.

30 to 45 min · 6 materialsView project
Grade 3
Math ChallengeBeginner

Measure and Estimate Like a Pro

Math, Science · Measurement, Number Sense

Guess lengths, masses and volumes first, then measure them, and see how close your estimates can get.

30 to 45 min · 5 materialsView project
Grade 3
ExperimentIntermediate

Pulley Lift Challenge

Science, Engineering · Machines, Physics

Lift a load with a fixed pulley and a moving pulley and measure how much easier each one makes the job.

40 to 60 min · 6 materialsView project
Grade 3
ExperimentBeginner

Rolling Race: Which Surface Is Fastest?

Science · Physics, Measurement

Roll a toy car down a ramp onto different floors and find out which surface slows it the most.

30 to 45 min · 6 materialsView project
Grade 3
ExperimentBeginner

Soil Sleuths: Which Soil Drains Fastest?

Science · Earth Science, Environmental Science

Pour water through sand, clay and garden soil and find out which one lets water pass through fastest.

35 to 50 min · 8 materialsView project
Grade 4
BuildIntermediate

Pasta Bridge: The Penne Express

Engineering · Structures, Engineering

Build a bridge from penne pasta and glue, then test how much weight it can hold compared with its own mass.

1 to 2 hr · 7 materialsView project
Grade 4
ExperimentBeginner

Water Cycle in a Bag

Science · Earth Science, Environmental Science

Seal water in a bag on a sunny window and watch evaporation, condensation and rain happen.

20 to 30 min · 6 materialsView project
Grade 5
ExperimentIntermediate

Dissolving Speed and Water Temperature

Science · Chemistry, Measurement

Time how long sugar takes to dissolve in cold, warm and hot water, then explain what you see.

30 to 45 min · 6 materialsView project
Grade 5
ExperimentIntermediate

Lemon Battery

Science, Engineering · Electricity, Chemistry

Make a battery from lemons, a nail and a coin and measure its voltage as you add more lemons.

40 to 65 min · 6 materialsView project
Grade 5
BuildBeginner

Paper Helicopter Rotor Test

Engineering, Science · Physics, Engineering

Make a spinning paper helicopter and test how blade length changes how long it takes to fall.

35 to 55 min · 6 materialsView project
Grade 5
BuildIntermediate

Parachute Drop Test

Science, Engineering · Physics, Engineering

Build parachutes of different sizes and find out how canopy size changes how long a toy takes to fall.

40 to 60 min · 6 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.