This short homework or worksheet activity describes how a bitmapped image has been stored in a file, including the encodings used in binary to represent the 4 colours which make up the image, and the height and width of the image. The data is all given in binary format. Students are then expected to recreate the...

These resources, written in 2011 and provided by the Joint Mathematical Council (JMC), discuss the role that digital technologies might and should have in mathematics education. Consideration is given to the types of experiences students encounter and how best to develop the curriculum to engage students in using...

This collection of case studies show how a wide cross section of educational professionals use and find inspiration from STEM Learning's digital resources.

These interactive notes build on the ideas covered in edition 29 of Catalyst. 

Catalyst is a science magazine for students aged 14-19 years. Find out more about Catalyst magazine: www.stem.org.uk/catalyst

These interactive notes build on the ideas covered in edition 30 of Catalyst. 

Catalyst is a science magazine for students aged 14-19 years. Find out more about Catalyst magazine: www.stem.org.uk/catalyst

This resource from Jonny Griffiths contains a range of puzzles designed for 14 to 17 year old maths students. In each puzzle, the digits one to six have been rubbed out and replaced with six squares labelled a to f. The task is to put the digits back in again correctly to make each statement true...

Dijkstra's algorithm finds the shortest path for a given problem. Dijkstra's algorithm can be used to find the shortest route between two cities. This algorithm is so powerful that it not only finds the shortest path from a chosen source to a given destination, it also finds all of the shortest paths from the...

Mendeleev's invention of the periodic table of the elements showed how to predict and create further elements, something which scientists are still doing today.

This article is from Catalyst: Secondary Science Review 2016, Volume 26, Issue 4.

This mystery deals with a laboratory report in which the written results suddenly vanished. The students need to find out how the writing vanished,  how to recover the vanished data, and what the secret of the pen is.

Curriculum links include ...

The Open Air Laboratories (OPAL) network is an initiative which aims to create and inspire a new generation of nature-lovers by encouraging people to explore, study, enjoy and protect their local environment. OPAL began in 2007 with a total of 15 partners, headed by Imperial College London, working together to...

This resource provides background information for students about the structure of DNA, DNA replication, genetic engineering, cloning, genetic testing and DNA fingerprinting.

The activities for students include a practical activity where students extract their own DNA from cheek epithelial cells or plant...

This Catalyst article explains the code structure of DNA and looks into how it is copied across generations.

This article is from Catalyst: GCSE Science Review 2003, Volume 14, Issue 1.

Catalyst is a science magazine for students...

In this video collection, a variety of green careers are showcased, explained in detail by the professionals working in the field.

DISCUS consists of eight Excel workbooks and a set of associated photocopiable work cards covering the topics: Descriptive Statistics, Probability, Binomial Distributions, The Poisson Distribution, Continuous Distributions, Sampling, Regression and Hypothesis Testing. The materials are designed to be used off the...

Discovering New Medicines is the latest educational resource from Understanding Animal Research. This colourful and informative classroom poster takes the student through the medicines discovery process, from basic research to clinical trials and treatment approval.

The poster includes key facts such as...