A Catalyst article about climate control, and specifically the process known as cloud seeding. Cloud seeding has met with initially encouraging results. The method entails adding silver iodide to the air in clouds to encourage ice crystals to form, so that they grow rapidly and produce more snow or rainfall than...

Design for a better world is a design challenge for students aged 11-14 years. It offers students the opportunity to:

• Learn about the global goals for sustainable development.
• Access a range of global contexts including water and sanitation, food security and climate action in which to...

This booklet is a synthesis of principles of effective teaching that have emerged from research in classrooms. It addresses generic aspects of curriculum, instruction and assessment, as well as classroom organization and management...

This unit was developed in 1977 from work carried out in establishing an outdoor resource area within the grounds of a large urban comprehensive school. During the course of its development, the unit was used with lower ability students in the 14 to 16 years age range, forming one six week section of a modular...

In this section of the Teachers Evaluating and Assessing Mathematics (TEAM) project, produced by the Mathematics Centre at the University of Chichester, the project team attempt to clarify issues related to the evaluation of students' and teachers' work. As in the...

Astronauts, and especially spacecraft commanders, must take in a huge amounts of information from displays and screens. Small changes in this information might indicate important changes that should be addressed, and missing the signs may have important consequences.

This simple activity challenges students...

Produced by ARKive this resource aimed at key stage two is a collection of eight animal symmetry worksheets. Children are asked to complete the reflection of various animals to show that they exhibit reflective symmetry. Each sheet also includes an image of the animal and key facts about it. The resource uses four...

Learning How to Teach It was the twelfth in a series of 12 booklets published by Heinemann and the Association for Science Education to explore the issues arising from moving towards a broad and balanced science education for all young people. The main purpose of this...

The Beyond 2000 report was the outcome of a seminar series initiated by Rosalind Driver and Jonathan Osborne at King’s College London. The series was funded by a grant from the Nuffield Foundation. There were four closed seminars and two open seminars. The report was edited by Robin Millar and Jonathan...

The Nuffield Co-ordinated Sciences Biology book was illustrated in full colour in both editions. There was no change in content between the two editions. The file for this resource is the second edition which used more colour in the design. The text included explanatory text, and questions. Symbols in the margins...

The Nuffield Co-ordinated Sciences Chemistry book was printed in black-and-white in the first edition but illustrated in full colour in the second edition. There was no change in content between the two editions. The file for this resource is the second edition. The text included explanatory text, and questions....

Nuffield Pathways Through Science was reorganised to match the new NEAB Modular Science specifications following the 1995 revisions to the National Curriculum. Much of the content of the programme was unchanged but the modules were cut to 12 and the materials...

This activity enables teachers to introduce the work of the Environment Agency into their lessons and deliver elements of the national curriculum and is designed to be delivered either by a ...