This Catalyst article looks at Biochemistry, the study of chemical reactions in living things, exploring how it differs from other biological subjects and how examples can be found in everyday life.

This article is from Catalyst: Secondary Science Review 2011, Volume 22, Issue 2.

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A Catalyst article about the many roles of chemists at work. The links with biology, physics and geology are examined as are many other subjects. The article looks at some of the areas in which chemists work and it explores what makes it distinctive from other sciences.

This article is from Catalyst:...

Geothermal energy is the heat produced by decay of radioactive isotopes deep within the Earth. The temperature at the centre of the Earth is thought to be around 5,000°C, with the temperature reducing toward the surface. It is estimated that 99.9% of the planet is above 100°C. Geothermal energy is considered a...

This is one of three readers published by the ASE's SATIS 16-19 project as a way of linking together a selection of the individual units. 'What is Science?' addresses philosophical questions about the nature of knowledge. The aim is to use stories and examples to show...

This is one of three readers published by the ASE's SATIS 16-19 project as a way of linking together a selection of the individual units. 'What is Technology?' explores the various faces of technology in recent history and in the changing modern world.

This student sheet invites students to consider lignification in detail. Students take thin sections from successive internodes of the shoot and calculate the lignification index of each section. These can then be compared with sections from other parts of the plants to consider where lignin is deposited in other...

With so many research groups across the world, it can be difficult for scientists to keep on top of the latest developments and findings. As well as publishing in journals (such as Nature or Science), researchers communicate their results at scientific conferences. These range in size from small, specialist...

This is one of the 14 Background Books published for Stage III of the Nuffield Chemistry Sample Scheme. The books were highly illustrated and designed to be attractive. This book is mainly an account of theories of acidity with examples to explain the importance of acids.

There are two parts to this book:...

This STEM Learning...

This video explains how atoms are the fundamental building blocks of all matter and that they are made from sub-atomic particles (proton, neutron and electron). The simple structure of a hydrogen atom is made from plasticine. The video explains how adding a neutron to the hydrogen atom does not change its...

This blog, from Mr CompSci, details key concepts of functional programming. This is a useful resource for teachers as well as students. It could be used as a revision resource, a reference or for students to prepare notes from.

This paper recommends that more in-depth analysis of existing data, of interventions and their impact, is necessary before it can reliably be concluded that further action is necessary to improve stretch and progression in science post-16. 

In this task students are required to estimate dimensions and use given densities to calculate an estimate for the mass of a number of objects. Calculators and/or spreadsheets are recommended when substituting into the formulae for the volume and mass of the solids.

The teachers' notes give a suggested...