Showing results for "Chemical analysis"

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This Catalyst article looks at the process of baking biscuits. All cooking involves chemical reactions but you are not normally aware of them happening. There is an obvious thermal decomposition reaction which takes place in the middle of this recipe – and you get fabulous ginger biscuits at the end.

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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...

A Catalyst article about food additives. Some additives are natural and some are manufactured by the chemical industry. Some, like vitamin C, can come from either natural or artificial sources. As with every other component of food all additives are chemicals. Even organic food can contain a certain number of...

Palaeontology strives to discover evidence so that we might learn more about the fossil remains of life and understand how they lived, functioned and even died. Scientists at The University of Manchester have been using state-of-the art imaging, chemical analyses and computer modelling techniques to study the...

This issue of Catalyst contains the following articles:

Dust to dust?

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This rapid review and meta-analysis reports on the significant positive impact of high-quality programmes of professional development on teachers and their students.

Respiration is the chemical process of releasing energy from organic compounds. This poster illustrates the series of enzyme-controlled reactions in which energy is transferred to produce adenosine triphosphate (...

A Catalyst article looking at the chemicals that are in plants and trees and the role they play in the life of the plant. Starting with photosynthesis the article moves onto naturally occurring chemicals and explains why plants need fertilisers. Growing salad crops hydroponically is also examined.

This...

Learn about the regions of the brain, the nervous system and the chemicals that facilitate brain function.

This article discusses how chemical tests can reduce the numbers of animals used in the testing of new products.

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

Catalyst is a science magazine for students...

This  Catalyst article looks at the work of scientists who use biochemical and DNA analysis to learn more about how fungi cause dead wood to decay.

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

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A Catalyst article about chemical reactions that occur in a blast furnace during the steelmaking process. This short article features a diagram of a blast furnace showing the active ingredients used to produce iron from ore.

This article is from Catalyst: GCSE Science Review 2006, Volume 16, Issue 3.

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A Catalyst article about hair, how it grows, how it can be sculpted into the latest fashionable shapes and can hold fast to all the colours of the rainbow. The article explores how hair grows and how its physical structure and chemical make-up are affected by hair products.

This article is from Catalyst:...

This article from Catalyst looks at ionic liquids which are a developing area in chemistry. Ionic liquids are liquids which have the potential to provide greener ways of carrying out chemical processes.

The article is from Catalyst: Secondary Science Review 2014, Volume 25, Issue 2.

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This Catalyst article looks at the noble gases (Group 0 or 8 in the periodic table) which are almost inert. This article shows how they were discovered through the use of fractional distillation and looks at their chemical and physical properties.

This article is from Catalyst: GCSE Science Review 2011,...

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