Biology · Botany
Compare the stomata of different leaves
Take nail-polish peels of leaves and count stomata on upper and lower surfaces.
- Easy
- 1–3 hours
- Under 250
606 projects · 13 streams · every class
Biology projects 9
Biology projects on plants, microbes, the human body, genetics and ecosystems, with clear observation tables and no harm to animals.
9 Biology projects
Biology · Cell Biology
Observe osmosis in potato strips
Soak potato strips in salt solutions and find the concentration at which they neither gain nor lose mass.
- Easy
- 1 day
- Under 250
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
Biology · Molecular Biology
Build a DNA model and explain replication
Make a twistable DNA model with colour-coded bases and use it to demonstrate replication.
- Beginner
- 1 day
- 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
Biology · Evolution
Model natural selection with coloured beads
Play predator on beads scattered on patterned cloth and watch the population shift over generations.
- Easy
- 1–3 hours
- Under 250
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
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
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
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