Chemistry + Environmental Science
Make bioplastic from milk or starch
Make casein and starch plastics at home and test their strength and how they break down.
- Easy
- 1–2 weeks
- Under 250
606 projects · 13 streams · every class
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24 projects
Agri-business and Food Science + Biology
Test how storage affects fruit and vegetable shelf life
Store the same produce in five ways and record weight loss and spoilage.
- Easy
- 1–2 weeks
- Under 250
Electrical Engineering + Physics
Build a simple electric motor and measure its speed
Wind a coil motor with a paper-clip cradle and test how turns and magnets change its speed.
- Easy
- 1 day
- Under 250
Crops, Soil and Horticulture + Biology
Compare organic and chemical fertiliser on plant growth
Grow the same plant with compost, chemical fertiliser and nothing, and compare height, leaves and yield.
- Easy
- 2–4 weeks
- 250–500
Marketing + Microeconomics
Test how price affects demand at a school stall
Sell the same snack at three prices on three days and plot the demand curve.
- Easy
- 2–7 days
- 250–500
Biology + Sports and Exercise Science
Measure how exercise changes pulse rate and recovery
Record pulse before, during and after exercise for several volunteers and compare recovery times.
- Easy
- 1 day
- Free
Environmental Science + Physics
Compare the energy use of bulbs
Measure the brightness and heat of LED, CFL and filament bulbs and calculate the yearly cost of each.
- Easy
- 1–3 hours
- 250–500
Fine Arts + Psychology
Study colour and mood with an experiment
Paint the same image in four palettes and survey what mood each conveys.
- Easy
- 2–7 days
- Under 250
Physics + Music, Theatre and Writing
Study the physics of a musical instrument
Measure how the length of a string or the water level in a bottle changes the pitch.
- Easy
- 2–7 days
- Under 250
Statistics and Probability + Biology
Estimate the size of a crowd or a population by sampling
Use capture-recapture with beans to estimate a hidden total, then judge how accurate the method is.
- Easy
- 1 day
- Under 250
Languages and Linguistics + Teaching and Learning
Test which method helps you learn vocabulary fastest
Learn three sets of new words by rereading, flashcards and spaced recall, and compare what you remember.
- Easy
- 1–2 weeks
- Free
Biology + Environmental Science
Track how composting changes kitchen waste
Set up compost bins with different mixes and record temperature, smell and breakdown for a month.
- Easy
- 2–4 weeks
- Under 250
Agri-business and Food Science + Biology
Make a dairy product and study the science
Set curd at different temperatures and with different starters and compare setting time and sourness.
- Easy
- 2–7 days
- Under 250
Fine Arts + Chemistry
Experiment with natural pigments
Make paints from turmeric, beetroot, charcoal and soil and test how they last in light.
- Easy
- 2–7 days
- Under 250
Biology + Psychology
Test whether music or silence helps short-term memory
Give volunteers word lists to memorise in silence, with instrumental music and with songs, and compare recall.
- Easy
- 2–7 days
- Free
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
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 + 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
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
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
Data + Statistics and Probability
Test whether a coin or die is fair with statistics
Roll a die 300 times and test whether the results fit a fair die.
- Easy
- 1 day
- Free
Programming + Psychology
Build a reaction-time tester and analyse the results
Write a program that measures reaction time, then use it to compare conditions such as time of day.
- Easy
- 2–7 days
- Free
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
Materials, Energy and Other Branches + Physics
Compare insulation materials for a cool box
Wrap identical cups in different materials and find which keeps water hot or ice cold longest.
- Easy
- 1 day
- Under 250
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