A Catalyst article about the composition of sea water. The article looks at how the sea became salty, how the factors such as hydrothermal systems can affect it and it investigates whether its composition has always been the same.

This article is from Catalyst: GCSE Science Review 2005, Volume 15, Issue 3....

It is a valuable experience for students to experience coding in a variety of languages. This worksheet introduces the functional paradigm and compares functional coding in Python and Haskell. The resource is a useful introduction to the Haskell language.

This case study describes David Topping’s career path in environmental research, investigating how tiny atmospheric particles influence our climate and air quality. Some research can take place almost entirely in a laboratory, whilst other studies look at complicated interactions that are vast in scale or that take...

Produced by the Technology Enhancement Programme (TEP), these images are useful for adding to documents, presentations or for use with an interactive whiteboard. Mainly simple line drawings, they can be cut and pasted into documents and image processing applications. The images in this resource are related to the...

The Earth’s climate is changing. In fact, it has always been changing. What is different now is the speed of change and the main cause of change – human activities. This issue asks: What are the biggest threats to human health? Who will suffer as the climate changes? What can be done to minimise harm? And how do we...

Published by the Wellcome Trust, the 'Big Picture' explores issues around biology and medicine. The Earth's climate is changing ever faster, and human activities play a role in speeding up this change.

The Earth’s climate is changing. In fact, it has always been...

This toolkit investigates the complexities of measuring health and well-being. Students can use the Health Index tool and access the raw data that is used to calculate it. This will allow them to analyse and interpret health and well-being trends and patterns within a local area or across different regions.

This book from the SISCON series looks at attempts to eradicate disease by good sanitation and vaccination. It discusses concerns in the 1980s over the testing of medicines and explores some Third World health issues.

These problem solving Core Maths resources are suitable for small group work and discussion. The resource contains two modeling tasks which require the use of a spreadsheet.  The tasks are:

• Design a muesli and compare the costs...

This Catalyst article looks at 'Restored Hearing', a business which grew out of a school science project. It provides therapy for sufferers of temporary tinnitus, a debilitating hearing condition caused by exposure to loud noises. The article looks at how hearing loss can occur and how also explains how the...

A Catalyst article about how engineers use their understanding of sound waves to develop highly realistic sound systems for films, music systems and computer games. The same ideas can help people with eyesight and hearing problems. Sound waves are affected by their surroundings and the article examines this along...

Make your heart dissection lesson more engaging with this resource.  These materials help students to understand more about how the heart works and also includes a step-by-step guide to dissecting a heart obtained from a butcher.

In the first part of the resource, various aspects of cardiac biology are...