Pure Mathematics + Biology
Explore the Fibonacci sequence in nature
Count spirals on pine cones, sunflowers and pineapples and test whether they are Fibonacci numbers.
- Beginner
- 2–7 days
- Free
606 projects · 13 streams · every class
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Pure Mathematics + Fine Arts
Explore tessellations and design your own
Find which regular polygons tile the plane and create an Escher-style tile.
- Beginner
- 1 day
- Under 250
Fine Arts + EdTech and Study Tools
Create a comic strip on a science concept
Explain one science idea in a two-page comic and test whether readers understand it.
- Easy
- 2–7 days
- Under 250
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
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
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
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
Fine Arts + Environmental Science
Sculpt with recycled materials
Build a sculpture from discarded materials that says something about waste.
- Easy
- 1–2 weeks
- Under 250
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