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Aluminium

A Catalyst article about aluminium, a shiny silvery metal, which is extracted from its ore by electrolysis. Further addition of other metallic elements results in an alloy, which can be cast into various shapes using moulds. The article looks at the processes of extraction, casting, patterns, moulds and finishing...

Structures Post-16

Produced by the Technology Enhancement Programme (TEP), this book contains five design and make challenges and seven study files. The materials and activities help students to investigate structures and the use of resistant materials. The study units look at, and help students to practise, skills and techniques...

Manufacturing Post-16

This publication, from the Technology Enhancement Programme (TEP), helps students to understand the manufacturing process through a series of design challenges. Each has a specific brief and the topics include: • Designing and making a helping hand • Robotics: designing and making a walking robot • CAD/CAM:...

Climate Change

In this resource students are required to use moving averages to investigate evidence for trends in local temperature change. There are links to the very real political and scientific debates regarding the question of climate change.

Climate Change Overview This brief overview makes...

Moving averages

In this Core Maths task students construct line graphs for time series data, calculate the moving average and interpret the graph, stating conclusions.

Moving Averages: Front sheet
This teacher guidance gives an overview of the task including prior student knowledge, suggested...

Eurovision 2015

This critical analysis activity for Core Maths students asks students to manipulate data to solve problems based on Eurovision Song Contest information from 2015’s competition.

Eurovision 2015: Overview
This teacher guidance gives an overview of the task including prior student...

100m Sprint

In this activity students examine the Olympic 100m winning times from 1928 to 2012. Both men's and women's times show an improvement. The challenge is how to show that there is an improving trend and to show which times show the most improvement. Scatter graphs, regression and the Least Squares Regression Line are...

Fitting numbers

In this Core Maths activity students are asked to play a ‘ladder game’ in order to improve decision making and explore probability theory.

Fitting Numbers: Overview
This teacher guidance contains a range of information including prior student knowledge, suggested approaches and possible...

Oil Refining

This Catalyst article looks at oil production in Trinidad and Tobago. The oil refining process and method are explained. The article also investigates the resulting human impact on the environment.

This article is from Catalyst: GCSE Science Review 2003, Volume 13, Issue 4.

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