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Broad Topics > STEM mapping > STEM - Averages

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Reaction Timer

Age 11 to 14 Challenge Level:

This problem offers you two ways to test reactions - use them to investigate your ideas about speeds of reaction.

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Terrariums

Age 11 to 14 Challenge Level:

Build a mini eco-system, and collect and interpret data on how well the plants grow under different conditions.

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Investigating Epidemics

Age 11 to 16 Challenge Level:

Simple models which help us to investigate how epidemics grow and die out.

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Avalanche!

Age 7 to 14 Challenge Level:

Investigate how avalanches occur and how they can be controlled

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Carbon Footprints

Age 14 to 16 Challenge Level:

Is it really greener to go on the bus, or to buy local?

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Global Warming

Age 14 to 16 Challenge Level:

How much energy has gone into warming the planet?

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Using the Haemocytometer

Age 14 to 16 Challenge Level:

Practise your skills of proportional reasoning with this interactive haemocytometer.