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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...

Printing in Three Dimensions

This Catalyst article looks at 3D printing, a new technology which is rapidly finding applications. Although probably too slow for mass production it is useful for producing prototypes and tailor-made items. In a 3D printer, layers of polymer beads are printed one on top of the other. Heat melts the polymer beads...

Student Self-review Sheets

Produced by the Nuffield Foundation these resources offer four options of self-review sheets for students to use as they complete capability and resource tasks. *Reviewing your work in a capability task: Two A4 sheets that can be copied, backed, to form an A5 leaflet for students to complete at key points as they...

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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3D Clock

This resource from Boxford describes the use of SolidWorks CAD software and industry partnerships to develop a 3D clock project targeted at teenagers. It contains two articles written for D&T Practice and sample CAD drawings. Clocking On 1 introduces the challenge set for students and the design process that...

Less is more!

This resource gets students to look at how a product could be redesigned to require less packaging. Companies are being encouraged to develop ‘environmentally-smart’ retail packaging design. In this activity, students are challenged to redesign a familiar product so that it has less (and more sustainable) packaging...

QTC - Making the Most of a Novel Material

A Catalyst article about Quantum Tunnelling Composite, a material discovered in 1997 and whose resistance decreases dramatically under pressure. How does it work and what uses will it have? The material has been carefully characterised (to understand its composition and how it works), and its first applications...

Using shape memory alloys

A Catalyst article describing the use of smart materials to help people with disabilities. Many more people with physical and mental disabilities are leading independent lives at home, thanks in part to recent technological developments. The article focuses on one project which makes use of smart materials to help...

Hydrogen Powered Cars

As the need to find alternative cleaner forms of energy increases, scientists are looking to technologies, such as Hydrogen Fuel Cells (HFCs), as a power source for transportation.

This Catalyst article explains how hydrogen and oxygen gas can be used in a redox reaction to produce electricity, and the...

Passive House

Heating accounts for over half of the energy used in homes in the UK. This Catalyst article looks at buildings designed to cut heating demand almost to zero. There are over 70,000 passive houses in Europe – just a few of them in the UK. To be described as ‘passive’, a house must meet strict criteria for energy use...

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