Averages

This collection of STEM resources is based around averages.  Resources are listed in order of stage.

Avalanche!

Stage: 2 and 3 Challenge Level: Challenge Level:1

Investigate how avalanches occur and how they can be controlled

Reaction Timer

Stage: 3 Challenge Level: Challenge Level:1

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

Terrariums

Stage: 3 Challenge Level: Challenge Level:1

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

Investigating Epidemics

Stage: 3 and 4 Challenge Level: Challenge Level:1

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

Using the Haemocytometer

Stage: 4 Challenge Level: Challenge Level:1

Practise your skills of proportional reasoning with this interactive haemocytometer.

Global Warming

Stage: 4 Challenge Level: Challenge Level:2 Challenge Level:2

How much energy has gone into warming the planet?

Carbon Footprints

Stage: 4 Challenge Level: Challenge Level:1

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