Public Health and Epidemiology + Statistics and Probability
Model a disease outbreak with dice
Play an infection game with dice in class and plot the epidemic curve.
- Easy
- 1 day
- Under 250
120 projects
Behavioural and Cognitive Science + Biology
Measure reaction time and what affects it
Use the ruler-drop test to compare reaction times between hands, ages and times of day.
- Beginner
- 1 day
- Free
Biology · Biotechnology
Culture yeast and measure fermentation
Use balloons on bottles to measure how sugar type and temperature change the gas yeast produces.
- Easy
- 1–3 hours
- Under 250
Psychology · Social Psychology
Compare first impressions from photographs
Show the same person dressed formally and casually and compare ratings of competence and friendliness.
- Intermediate
- 2–7 days
- Free
Chemistry + Environmental Science
Model the effect of acid rain on building stone
Soak chalk and marble chips in liquids of different acidity and measure the mass they lose.
- Easy
- 2–7 days
- Under 250
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
Physics + Environmental Science
Model the greenhouse effect in two bottles
Compare how fast air and carbon-dioxide-rich air warm under the same lamp.
- Easy
- 1 day
- Under 250
Biology + Environmental Science
Test how fertiliser runoff affects algae growth
Add different amounts of fertiliser to jars of pond water and track how green they turn.
- Intermediate
- 1–2 weeks
- Under 250
Industrial and Manufacturing · 3D Printing
Optimise a 3D print for strength and time
Print test bars with different infill and layer settings and find the best strength per minute.
- Intermediate
- 1–2 weeks
- 500–1,000
Environmental Science · Climate
Model the melting of ice caps and sea level
Show that melting land ice raises water level but melting floating ice does not.
- Beginner
- 1–3 hours
- Under 250
Chemistry · Organic Chemistry
Synthesise and test soap from cooking oil
Make soap by cold-process saponification under supervision and test its pH and lather.
- Advanced
- 2–4 weeks
- 250–500
Nutrition and Food + Chemistry
Test foods for adulteration at home
Use simple official home tests to check milk, turmeric, honey and tea for common adulterants.
- Easy
- 1 day
- Under 250
Electrical Engineering · Power Systems
Model a power grid with series and parallel loads
Show why power is transmitted at high voltage using long thin wires and small bulbs.
- Intermediate
- 2–7 days
- 500–1,000
Biology + Nutrition and Food
Test for starch, sugar, protein and fat in foods
Use four standard tests to find which nutrients are present in ten common foods.
- Easy
- 1–3 hours
- Under 250
Languages and Linguistics + Artificial Intelligence
Compare human and computer translation
Translate ten sentences yourself and with a free online tool and classify the differences.
- Intermediate
- 2–7 days
- Free
Materials, Energy and Other Branches · Materials Testing
Test materials for strength with a home-made rig
Stretch wires and strips of different materials to breaking and compare their strength.
- Intermediate
- 1–2 weeks
- 250–500
Agricultural Technology · Smart Irrigation
Compare water use of different irrigation methods
Grow the same plants with flood, sprinkler and bottle-drip watering and compare water used and growth.
- Intermediate
- 2–4 weeks
- 500–1,000
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
Environmental Science · Water
Build a simple water filter and test it
Layer cotton, sand and gravel in a bottle and see how clear muddy water becomes.
- Beginner
- 1 day
- Under 250
Agri-business and Food Science · Sustainability Projects
Make and test a natural pesticide
Compare neem, garlic and soap sprays against a water control on pest-affected plants.
- Intermediate
- 2–4 weeks
- Under 250
Materials, Energy and Other Branches + Chemistry
Make and test a simple supercapacitor
Build a capacitor from activated carbon electrodes and salt water and measure its capacitance.
- Advanced
- 2–4 weeks
- 500–1,000
Behavioural and Cognitive Science + Behavioural Economics
Study how choices change with the way they are presented
Give two groups the same choice worded as a gain or as a loss and compare what they pick.
- Intermediate
- 2–7 days
- Free
Marketing · Consumer Behaviour
Study the effect of packaging on buying decisions
Offer the same product in plain and attractive packaging and compare what people choose and expect.
- Easy
- 2–7 days
- Under 250
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