Psychology · Experiments
Test the Stroop effect
Time how long people take to name ink colours when the word says a different colour.
- Easy
- 2–7 days
- Free
606 projects · 13 streams · every class
Stopwatch projects 12
Student projects that use Stopwatch, from first builds to portfolio pieces, each with steps, materials and a report outline.
12 projects
Chemistry · Physical Chemistry
Find how temperature changes reaction rate with antacid tablets
Time how long an effervescent tablet takes to dissolve at different water temperatures.
- Easy
- 1–3 hours
- 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
Behavioural and Cognitive Science · Attention
Test how multitasking affects performance
Compare how fast and accurately people do a simple task alone and while answering messages.
- Easy
- 2–7 days
- Free
Physics · Electromagnetism
Electromagnetic braking in a copper pipe
Time a magnet falling through copper, aluminium and plastic pipes and show how eddy currents slow it.
- Intermediate
- 2–7 days
- 250–500
Physics · Oscillations
Find g with a simple pendulum and a phone
Time pendulums of different lengths and get the acceleration due to gravity from a straight-line graph.
- Easy
- 1–3 hours
- Under 250
Sports and Exercise Science · Performance Analysis
Compare warm-up routines and sprint times
Time 50 m sprints after no warm-up, jogging and dynamic stretching.
- Easy
- 1–2 weeks
- Free
Applied Mathematics + Physics
Derive and test the formula for a pendulum by dimensional analysis
Predict how period depends on length using only units, then confirm the power law with a log-log graph.
- Intermediate
- 1 day
- Under 250
Industrial and Manufacturing + Operations, HR and Supply Chain
Analyse and reduce waiting time at the canteen
Time each step of the canteen queue, find the bottleneck and test one improvement.
- Intermediate
- 1–2 weeks
- Free
Physics · Dynamics
Test which shapes fall slowest: a parachute study
Make parachutes of different sizes and shapes and time their fall with the same load.
- Beginner
- 1 day
- Under 250
Public Health and Epidemiology · Healthcare Management
Study how a hospital or clinic manages its queue
With permission, time each stage of an outpatient visit and suggest how to cut waiting.
- Intermediate
- 1–2 weeks
- Free
Materials, Energy and Other Branches + Physics
Design a boat hull and test its drag
Shape three hulls of equal mass and time them towed across a water trough.
- Easy
- 2–7 days
- Under 250
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