
Does sunlight affect plant growth?
Grow identical bean seedlings under different amounts of daily light and measure their height every day.
- Time
- 1 weeks
- Cost
- $8
- Grade
- 4–8
Practical STEM projects for Class 4–12
Hands-on projects students can actually do at home or in school — with materials you can find locally, clear steps, budgets in rupees and real results. For students, parents, teachers and schools.
Free to browse and free to publish. No science background needed.

Pick a starting point — every path leads into the same library of structured projects.
Something fun
Quick, cheap and satisfying — great with kids or on a free afternoon.
BrowseSomething to build
Engineering, electronics and DIY makes that actually work.
BrowseSomething to test
Change one variable, measure the result, see if your hunch holds.
BrowseSomething to investigate
Observe the world outdoors, take readings and follow the evidence.
BrowseSomething for school
Projects marked as classroom-friendly — ready for a lesson or homework.
BrowseA science fair project
Pick a question, plan the trials and get ready to present it.
BrowseScience isn't only lab coats and beakers. Start wherever you already spend your time.
Physics
Motion, light, sound and forces
Chemistry
Reactions you can watch happen
Biology
Living things, big and microscopic
Food Science
Kitchen experiments that you can taste
Engineering
Build it, test it, make it stronger
Earth & Environment
Weather, water, soil and climate
Home Science
Everyday materials, real results
Plants & Nature
Grow something and measure it
Technology
Circuits, code and sensors
Other STEM
Anything curious that fits
Browse by age level, difficulty and theme
Every one has materials, steps and real recorded results.

Grow identical bean seedlings under different amounts of daily light and measure their height every day.

Time how long sugar takes to fully dissolve in water at several temperatures.

Fold three plane designs from identical paper and measure flight distance across repeated throws.

Roll a car down a fixed ramp onto different surfaces and measure the stopping distance.

Wrap identical jars in different materials and track temperature loss over an hour.

Pour a measured amount of water through different soils and measure what drains out.
Find a project, build your plan and get ready to present.
Filter by what you want to do, subject, time, cost and where you can do it.
Follow clear steps with the materials, tools and safety notes laid out for you.
Log your measurements and photos — then publish it so the next person can try it.
Create reproducible experiments and builds that other people can try. Write it up once — your question, what you used, how you tested it, what happened — and someone else can run their own version and tell you how it went.
Create an experiment or buildPublishing is always free. You can charge for a premium write-up later if you want to.
What do you want to find out?
Your question, in one plain sentence
What do you need?
Materials, tools and any safety notes
How will you test it?
Steps anyone can follow at home or in class
What happened?
Your measurements, photos and takeaways
Browse what the community has published, or start with a question of your own.