This Unilever Laboratory Experiment, published in 1970, describes the procedure for a titration with EDTA and Eriochrome Black T to determine the total hardness of water. The details cover the preparation of a standard solution of EDTA as well as the steps of the titration.

A multiple choice quiz on fuels for A/AS level chemistry.

Although it is written for OCR AS/A level chemistry (Salters) H033/H433 course, it can be edited to suit your scheme of work.

This activity sheet is based on the Inventive Podcast.  It introduces a manufacturing engineer, Greg Bowie, and links his work to chemistry and biology topics. The activity sheet also supports Careers Benchmark 4: Careers in the curriculum by introducing a career and role model. There are also links to short audio...

A multiple choice quiz on metals for AS/A level chemistry.

Although it is written for OCR AS/A level chemistry (Salters) H033/H433 course, it can be edited to suit your scheme of work.

This Catalyst article looks at diamond and graphite which are allotropes of carbon. Their properties which depend on the bonding between the carbon atoms are also examined.

This article is from Catalyst: Secondary Science Review 2016, Volume 27, Issue 2.

From the National Non-Food Crops Centre, this factsheet looks at the uses of oils derived from plant materials. This includes:

• soaps and detergents
• healthcare
• beauty products
• feedstocks for the chemical industry
• lubricants
• fuel.

These downloadable videos and animations are part of the multimedia package Stuff and Substance, developed by the Gatsby Science Enhancement Programme (SEP). They can be used to develop ideas relating to the intrinsic motion of particles and diffusion phenomena...

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 ...

This article describes the processes behind discovering and proving the existence of new chemical elements.

This article is from Catalyst: Secondary Science Review 2016, Volume 26, Issue 3.

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This is one of the 18 Background Books published for Stage II of the Nuffield Chemistry Sample Scheme. The books were highly illustrated and designed to be attractive. This book explores the chemical ideas related to solubilility and solutions. The main ideas covered are:
*what happens when a substance...

A Catalyst article about Dorothy Hodgkin who was a pioneering scientist, a peace activist, a mother of three and a Nobel Prize winner. The article looks at her life and work in science. She did valuable work as an X-ray crystallographer and in finding the structure of biologically important molecules such as...

This Catalyst article looks at how people lived in the past, archaeologists look at the items (artefacts) these cultures left behind. Using chemical analysis of residues in the artefacts an enormous amount of additional information can be gleaned. This article investigates early dairy farming. Analysis of tiny...

This article introduces Laura Waters, who is a chemist at Huddersfield University with an interest in both doing scientific research and communicating her work to a wide audience.

The article is from Catalyst: Secondary Science Review 2015, Volume 25, Issue 4.

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This resource, provided by the Association for Science Education (ASE), is a play about the history of radioactivity, and how we discovered its uses and dangers. It was written for students aged 14-16 years on the theme of ideas and evidence.

Drama is very popular with students and can be used to stimulate...