Environmental Science · Pollution
Measure air quality with sticky cards
Hang petroleum-jelly cards at five locations and compare the particles they collect in a week.
- Easy
- 2–7 days
- Under 250
606 projects · 13 streams · every class
Science projects 7
Experiments, working models and investigations in physics, chemistry, biology, earth and space. Most can be done at home or in a school lab, and each one says what it costs and how long it takes.
7 Science projects
Environmental Science · Water
Build a solar still to purify water
Make drinking-quality water from salty water with sunlight and measure how much you get.
- Easy
- 1 day
- Under 250
Astronomy and Space · Rocketry
Build and launch a paper rocket with a stomp launcher
Launch paper rockets with compressed air and test how fins and nose shape change the distance.
- Easy
- 1 day
- Under 250
Earth Science · Geology
Classify local rocks and make a rock key
Collect ten rocks, test hardness, streak and reaction to vinegar, and build an identification key.
- Easy
- 2–7 days
- Under 250
Earth Science · Physical Geography
Model a river and study erosion
Run water down a sand tray and see how slope, flow and plant cover change erosion.
- Easy
- 1 day
- Under 250
Chemistry + Environmental Science
Test how well different materials filter dirty water
Build layered filters from sand, gravel and charcoal and compare how clear the water comes out.
- Easy
- 1 day
- Under 250
Earth Science + Crops, Soil and Horticulture
Test soil types for water holding and drainage
Pour water through sand, clay and loam and measure how much each holds and how fast it drains.
- Easy
- 1 day
- Under 250
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