How can you time the reaction timer?
Build a mini eco-system, and collect and interpret data on how well the plants grow under different conditions.
How does the time of dawn and dusk vary? What about the Moon, how does that change from night to night? Is the Sun always the same? Gather data to help you explore these questions.
Investigate how avalanches occur and how they can be controlled
Could games evolve by natural selection? Take part in this web experiment to find out!