Practise your skills of proportional reasoning with this interactive haemocytometer.
This problem offers you two ways to test reactions - use them to investigate your ideas about speeds of reaction.
Investigate how avalanches occur and how they can be controlled
Many natural systems appear to be in equilibrium until suddenly a critical point is reached, setting up a mudslide or an avalanche or an earthquake. In this project, students will use a simple. . . .
To investigate the relationship between the distance the ruler drops and the time taken, we need to do some mathematical modelling...
Do you know which birds are regular visitors where you live?
Simple models which help us to investigate how epidemics grow and die out.
Build a mini eco-system, and collect and interpret data on how well the plants grow under different conditions.
How would you go about estimating populations of dolphins?
The human genome is represented by a string of around 3 billion letters. To deal with such large numbers, genome sequencing relies on clever algorithms. This article investigates.
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.
What shape and size of drinks mat is best for flipping and catching?
Design and test a paper helicopter. What is the best design?