Produced in 2003, these performance descriptors for chemistry science subjects at AS and A2 levels were written to indicate the level of attainment characteristic of grades A/B and E/U boundary candidates across a series of assessment objectives. It was intended that they should be interpreted in relation to the...

Produced in 2007, these performance descriptors for science subjects at AS and A2 levels were written to indicate the level of attainment characteristic of grades A/B and E/U boundary candidates across a series of assessment objectives. It was intended that they should be interpreted in relation to the content...

Catalyst Magazine is a science journal for young people aged 14-19 and their educators. It brings STEM subjects to life with insights into cutting-edge scientific research and industry R&D exploring the practical applications of complex science in the world around us. Catalyst magazine is a digital only...

This issue of Catalyst includes the following articles:

Do U Wan2 Tlk> ;)

Mobile phones are everywhere; most people in the UK own one. But how do they work? This article looks at the science behind this popular piece of...

This issue of Catalyst includes the following articles:

Impact Earth

Astronomers say that, one day, a giant rock from space will collide with the Earth and cause mass devastation. This could lead to the extinction of many...

This issue of Catalyst includes the following articles:

Fruit Flies and Alzheimer's Disease

This article looks at some basic aspects of genetics and how fruit flies are being used in novel ways to study genetic diseases....

This issue of Catalyst contains articles on:

Body Sensors Networks

This article describes body sensor networks which are tiny electronic sensors used to monitor the movement of patients, athletes and game players.

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This issue of Catalyst includes the following articles:

Forensic Entomology

This article describes how insects are used to provide clues at crime scenes.

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Articles in this issue of Catalyst include:

Water Power: the Micro-Hydro Revolution

The article looks at a micro-hydroelectric power station on a river in Yorkshire.

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This issue of Catalyst includes the following articles:

Money, Mistakes and the Birth of a Science 

Looking at how the laying of telegraph cables across the ocean bed has led to the science of oceanography.

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This issue of Catalyst includes the following articles:

Phytoplasmas - Friend or Foe?

Phytoplasmas are micro-organisms that affect crop plants, modifying their growth. Botanists are seeking to counter their effects.

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This issue of Catalyst contains the following articles:

The Most Accurate Thermometer in the World

This article looks at how a highly accurate thermometer measures temperatures by finding the speed of sound in a gas.

This issue of Catalyst contains the following articles:

Palaeontology Goes Hi-Tech

Scientists use radiation from across the electromagnetic spectrum to learn more about a fossil dinosaur.

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This issue of Catalyst contains the following articles:

Crash Investigators

Traffic police use ideas about speed, acceleration and force to determine what happened during road accidents.

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This issue of Catalyst contains the following articles:

From Pollutants in Whale Blubber to CSI Chemists

This article looks at scientists who are monitoring the accumulation of synthetic chemicals which are polluting the...