The spacecraft that have orbited around Mars and landed on its surface have shown us (via images and data) that there is no liquid water on the surface of Mars. However, these satellite images have also revealed to us features that appear to have been created or carved out by flowing water. In fact, scientists feel...

Conditions on other planets are unlikely to be within the same ranges as that experienced by Earth. However, a degree of variance from ‘ideal’ ranges may be tolerable for a small number of organisms known as extremophiles. This investigation looks at the effects of subjecting a living organism (yeast) to some...

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The best teaching draws on the best evidence. 

Amid increasing calls for evidence-based practice in classrooms, teachers’ lives are usually too busy for them to comprehensively access and implement the best evidence we can find emerging from education research.

Best Evidence Science Teaching for...

This issue of Catalyst includes the following articles:

Life Beyond Earth

This articles looks at the methods used to detect if there is life elsewhere in the universe.

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These resources use real satellite data from different parts of the electromagnetic spectrum to provide an introduction to scientific image processing techniques. They link to elements of GCSE science specifications as well as supporting aspects of the curriculum for...

The students' books were intended to supplement classroom work but not to replace practical work. The books were generally not essential for the activities outlined in the Teachers' Guides.

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The students' books were intended to supplement classroom work but not to replace practical work. The books were generally not essential for the activities outlined in the Teachers' Guides.

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The Pupil Researcher Initiative (PRI) was a major UK school science curriculum development initiative. The overriding aim of PRI was to raise student motivation and achievement in school science through providing exciting innovative and stimulating curriculum materials and activities. The briefs were intended to...

The Royal Observatory Greenwich is the home of Greenwich Mean Time and the Prime Meridian of the World. These resources, designed for students aged from seven years up to post-16, contain astronomy based practical activities linked to the curriculum at each key stage.

• Key stage 2 activities include...

This collection contains lists of the key scientific vocabulary encountered at primary level, ready to be printed off and used in class. The lists are divided by year group and topic, however could be adapted for use across the primary phase. Many topics include either word mats or loop cards to help children learn...

The editors of the Fourth Edition of Nuffield Advanced Chemistry consulted widely and revised the topics in the light of detailed comments and advice from teachers. The team also had to take into account the subject criteria from the Qualifications and Curriculum Authority (QCA) when planning the number and...

This issue of Catalyst includes the following articles:

Exploring Saturn

This article follows the journey of the space probes "Huygens" and "Cassini", sent to explore Titan, a moon of Saturn. After a seven year journey it was...

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:

How the Leopard Gets Its Spots

This article looks at Turing mechanisms as a way of explaining how patterns such as spots and stripes develop as an animal grows.