Physics · Modern Physics
Measure Planck's constant with LEDs
Find the turn-on voltage of LEDs of different colours and get Planck's constant from the slope.
- Advanced
- 2–7 days
- 250–500
606 projects · 13 streams · every class
Science projects 4
Experiments, working models and investigations in physics, chemistry, biology, earth and space. Most can be done at home or in a school lab, and each one says what it costs and how long it takes.
4 Science projects
Biology · Microbiology
Investigate which mouthwash or toothpaste limits plaque bacteria
Compare how well mouthwashes inhibit bacterial growth on agar using the disc method.
- Advanced
- 1–2 weeks
- 250–500
Biology · Microbiology
Compare antibacterial effects of natural substances
Test garlic, neem, turmeric and honey against harmless bacteria using paper discs on agar.
- Advanced
- 1–2 weeks
- 250–500
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
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