Behavioural Economics · Nudges
Design a nudge and measure its effect
Change one small thing, such as a sign or the placement of a bin, and measure whether behaviour changes.
- Intermediate
- 2–4 weeks
- Under 250
606 projects · 13 streams · every class
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44 projects
Biology · Microbiology
Grow bacteria from everyday surfaces
Swab phones, door handles and washed hands onto agar and compare the colonies that grow.
- Intermediate
- 2–7 days
- 250–500
Civil Engineering · Structural Analysis
Compare the strength of beam cross-sections
Fold the same sheet of card into flat, tube, box and I shapes and measure how much each bends.
- Intermediate
- 2–7 days
- Under 250
Behavioural Economics · Experiments
Run the ultimatum game with classmates
Let proposers split ten tokens and responders accept or reject, and compare the results with theory.
- Intermediate
- 2–7 days
- Free
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
Physics · Optics
Measure the refractive index of water with a laser pointer
Trace a laser beam entering water at several angles and get the refractive index from Snell's law.
- Intermediate
- 1–3 hours
- Under 250
Psychology · Social Psychology
Investigate conformity with a classroom task
Test whether people change an estimate after seeing what others answered, with a full debrief.
- Intermediate
- 1–2 weeks
- Free
Behavioural Economics + Psychology
Test the anchoring effect on price estimates
Show two groups a high or low number first and compare their estimates of an unrelated price.
- Intermediate
- 2–7 days
- Free
Behavioural and Cognitive Science + Graphic and UI/UX Design
Test the usability of two apps or websites
Give five users the same three tasks on two competing apps and record time, errors and comments.
- Intermediate
- 1–2 weeks
- Free
Behavioural and Cognitive Science + Teaching and Learning
Compare study techniques with a memory test
Test whether self-quizzing beats rereading for remembering a passage a week later.
- Intermediate
- 1–2 weeks
- Free
Teaching and Learning · Lesson Experiments
Compare two ways of teaching the same lesson
Teach one topic by lecture to one group and by activity to another, and compare a quiz.
- 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
Applied Mathematics + Behavioural Economics
Analyse a simple game with game theory
Play repeated prisoner's dilemma with classmates and compare what they do with the theory.
- Intermediate
- 2–7 days
- Free
Applied Mathematics + Physics
Derive and test the formula for a pendulum by dimensional analysis
Predict how period depends on length using only units, then confirm the power law with a log-log graph.
- Intermediate
- 1 day
- Under 250
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
Crops, Soil and Horticulture · Crop Experiments
Study the effect of soil salinity on germination
Germinate seeds in solutions of rising salt concentration and find the tolerance limit.
- Intermediate
- 1–2 weeks
- Under 250
Biology · Botany
Investigate transpiration with a simple potometer
Build a potometer from tubing and measure how wind, light and humidity change water uptake.
- 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
Behavioural and Cognitive Science + Teaching and Learning
Test whether handwriting or typing helps note recall
Have two groups take notes on the same video by hand or by typing and test them later.
- Intermediate
- 1–2 weeks
- Free
Nutrition and Food · Diet Studies
Investigate hydration and concentration
Compare attention test scores on days when volunteers drink water during class and days when they do not.
- Intermediate
- 1–2 weeks
- Free
Cybersecurity · Digital Forensics
Recover deleted files from a test drive
Delete files on a spare USB drive, image it and see what can be recovered and why.
- Intermediate
- 2–7 days
- Free
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
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
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