A Catalyst article about the life and ideas of Albert Einstein. He is most famous for his ideas on relativity which formed the theory of general relativity, in which he showed that gravity could be explained as the effect of large masses on space. After the Second World War he also worked with other scientists and...

A Catalyst article about alchemy, the study of eternal life, salvation, and the answer to the ultimate questions about life, the universe and everything. It flourished for more than 1500 years until, in the late 1600s, the beginnings of modern, scientific chemistry edged it aside. The article looks at what was...

Adults drink more frequently than adolescents, but when adolescents drink they tend to drink larger quantities. There is evidence to suggest that the adolescent brain responds to alcohol differently from the adult brain. Scientists at the University of Oxford are...

Alfie, aged 14, was born with chronic granulomatous disorder (CGD), a rare blood condition that stops his immune system working properly; causing him repeated bouts of serious infection. He shares his personal journey through a bone marrow transplantation to cure him of this life-threatening condition. Keywords:...

This Catalyst article looks at the work of Alfred Russel Wallace who developed a theory of evolution in parallel with Charles Darwin; they published their findings jointly. As a scientist he was interested in lots of different things, from how different species came into existence to the question of whether ghosts...

This reliable practical allows students to use algae to look at the rate of photosynthesis with quantifiable and replicable results. In this protocol, the...

The Connect 4 activity requires students to choose a question and use their skill of expanding brackets and simplifying expressions to answer the question. Player one answers their question then finds, and shades in with one colour, the answer on the answer grid. Player two then takes their turn, shading their...

Mathcentre provide these resources which cover a wide range of algebraic topics, many of which are used in the field of engineering. They include, solving linear equations, quadratic equations, partial fractions, rearranging formulas, factorials and the laws of indices.

Comprehensive notes, with clear...

Mathcentre provide these resources which cover a wide range of algebraic topics, many of which are suitable for students studying mathematics at Higher Level GCSE, or A Level, as well as those students for whom mathematics is an integral part of their course. Some of the topics covered include completing the square...

Mathcentre provide these resources which cover a wide range of algebraic topics. They include solving linear equations, quadratic equations, rearranging formulas, the laws of indices, expanding brackets, inequalities and solving simultaneous equations.

Comprehensive notes, with clear descriptions, for each...

This resource contains four problems which require students to be able to manipulate algebraic expressions, complete the square, state whether statements are true sometimes, always or never and develop questions which have specific answers.