Resources by Catalyst

Exploration Geology - Careers

A Catalyst article about careers in geological exploration. The article contains a case study about an exploration geologist and looks at an undergraduate degree course in exploration geology.

This article is from Catalyst: GCSE Science Review 2007, Volume 17, Issue 4.

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Exploring Saturn

A Catalyst article following the journey of the space probes Huygens and Cassini, sent to explore Titan, a moon of Saturn. After a seven year journey Huygens was set to fall through the atmosphere transmitting data back to Earth via Cassini so more can be learnt about this distant moon. The article describes the...

Exploring the Deep Ocean

This Catalyst article describes discovering hydrothermal vents at ocean sea-beds. Hydrothermal vents form along mid-ocean ridges. A mid-ocean ridge is where the Earth’s tectonic plates are moving apart, usually at a rate of about 6 to 18 centimetres a year. The presence of hydrothermal vents had been predicted by...

Explosive earth: earthquakes and volcanoes in Iceland

This Catalyst article looks at volcanic activity that generates earth tremors. It talks about seismologists that measure these tremors in an attempt to predict future eruptions.

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

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Express Delivery

This article from Catalyst investigates how cells transfer packets of control hormones from one cell to another using subcellular packages called exosomes. The article is from Catalyst: Secondary Science Review 2014, Volume 25, Issue 2.

Catalyst...

Extracting Iron from Cornflakes

This Catalyst article takes the form of a practical activity. Many breakfast cereals are fortified with iron and it is possible to extract this from the cereal by following the instructions in the article.

This article is from Catalyst: Secondary Science Review 2008, Volume 19, Issue 2.

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Extremophiles - How to Find Life on Mars

This Catalyst article looks at life in extreme environments on Earth which can suggest how life might exist on Mars. One of the developments in recent years that really opened up scientists’ eyes to the possibility of life on Mars has been the realization of just how adaptable and versatile life on Earth is.

Eyes

A Catalyst article examining the basic functioning of the eye and what can be done to maintain function when something goes wrong. In particular, the article looks at problems with focus, cataracts and colour blindness and how these problems can be detected and treated.

This article is from Catalyst: GCSE...

Face facts

This Catalyst article describes how human faces contain a wealth of information about the individual - so how do we go about interpreting faces?

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

False Colour

This Catalyst article investigates how scientists make images using colours to represent electromagnetic radiations which humans cannot see. Human eyes detect visible light, just a small region in the electromagnetic spectrum. Using scientific instruments, many other types of radiation can be detected. Different...