Chemistry + Nutrition and Food
Measure the vitamin C in fruit juices
Titrate juices with iodine and starch to compare how much vitamin C each contains.
- Intermediate
- 1 day
- Under 250
606 projects · 13 streams · every class
Science projects 16
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.
16 Science projects
Environmental Science + Data
Analyse 50 years of your city's temperature data
Download long-term temperature records and test whether your city has warmed, and by how much.
- Intermediate
- 1–2 weeks
- Free
Astronomy and Space + Pure Mathematics
Measure the Earth's circumference like Eratosthenes
Measure a stick's shadow at local noon in two cities and calculate the size of the Earth.
- Intermediate
- 1 day
- Free
Chemistry · Thermochemistry
Measure the heat released when salts dissolve
Dissolve different salts in water and classify each as heating or cooling the water.
- Intermediate
- 1–3 hours
- Under 250
Chemistry · Analytical Chemistry
Estimate the calcium carbonate in eggshells
React eggshell with vinegar, measure the mass of carbon dioxide lost and calculate its purity.
- Intermediate
- 1 day
- Under 250
Chemistry · Medicinal Chemistry
Compare how well antacids neutralise acid
Find which antacid tablet neutralises the most acid per tablet and per rupee.
- Intermediate
- 1 day
- Under 250
Earth Science + Data
Map earthquakes from live data
Download a month of world earthquakes and show that they trace the plate boundaries.
- Intermediate
- 2–7 days
- Free
Astronomy and Space + Geography
Use satellite images to measure change in a lake or forest
Compare satellite images from two dates and measure how much a water body or forest has changed.
- Intermediate
- 1–2 weeks
- Free
Environmental Science + Applied Mathematics
Estimate the carbon stored by a planting drive
Measure young trees from a planting drive and model how much carbon they will store over 20 years.
- Intermediate
- 1–2 weeks
- Free
Physics + Astronomy and Space
Estimate the Sun's power with a can of water
Measure how fast sunlight heats blackened water and estimate the solar constant.
- Intermediate
- 1 day
- Under 250
Biology · Molecular Biology
Investigate the effect of temperature on enzyme activity
Measure how fast potato catalase breaks down hydrogen peroxide at different temperatures.
- Intermediate
- 1 day
- Under 250
Astronomy and Space + Photography, Film and Animation
Photograph star trails and find the celestial pole
Take a long exposure of the night sky and measure the Earth's rotation from the arcs.
- Intermediate
- 1 day
- Free
Chemistry · Food Chemistry
Compare the energy in different foods by burning them
Burn nuts and snacks under a can of water and estimate the energy per gram of each.
- Intermediate
- 1 day
- Under 250
Physics · Waves
Investigate standing waves on a string
Drive a stretched string with a small speaker and find how frequency depends on tension.
- Intermediate
- 1 day
- 250–500
Physics · Fluid Mechanics
Measure surface tension by counting drops
Use the drop-weight method to compare the surface tension of water, soapy water and oil.
- Intermediate
- 1 day
- Under 250
Physics · Oscillations
Study damping with a pendulum in air and water
Film a pendulum losing amplitude in air and in water and test whether the decay is exponential.
- Intermediate
- 1 day
- Under 250
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