Programming · Python
Build a number guessing game in Python
Write a game where the computer picks a number and tells the player "higher" or "lower".
- Beginner
- 1–3 hours
- Free
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Chemistry · Analytical Chemistry
Make a red cabbage pH indicator and test household liquids
Extract a natural indicator from red cabbage and rank household liquids from acid to base.
- Beginner
- 1–3 hours
- Under 250
Physics · Mechanics
Calibrate a spring and build a newton meter
Stretch a spring with known weights, plot the graph and turn it into a force meter you can use.
- Beginner
- 1–3 hours
- Under 250
Finance and Banking · Personal Finance
Build a personal budget and track it for a month
Plan a monthly budget, record every rupee you spend and compare plan with reality.
- Beginner
- 2–4 weeks
- 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
Fine Arts · Drawing
Keep a 30-day observational drawing journal
Draw from life for 15 minutes every day and review how your drawing changes.
- Beginner
- 2–4 weeks
- Under 250
Software Development · Frontend
Build a pomodoro timer app
Make a 25-minute focus timer with breaks, sounds and a count of sessions done.
- Beginner
- 1 day
- Free
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 + Biology
Extract DNA from fruit in your kitchen
Pull visible strands of DNA out of a banana or strawberry with soap, salt and cold alcohol.
- Beginner
- 1–3 hours
- Under 250
Photography, Film and Animation · Photography
Photograph light: a study of one subject across a day
Photograph the same subject every hour from dawn to dusk and study how light changes it.
- Beginner
- 1 day
- Free
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