Resources by Catalyst
Displaying 351 - 360 of 567
Kidneys and genetic disease
This Catalyst article looks at kidneys and how they are vital organs so it is important to understand how genetic disorders may affect kidneys and develop treatments to overcome them.
...Launching a Balloon to the Edge of Space
The STEM club from Holy Cross School in Chorley and the North West Local Centre of the Royal Meteorological Society collaborated on a project to launch a balloon into the atmosphere. The balloon was carrying a camera, a GPS transmitter and a radiosonde, an instrument which transmits measurements by radio waves back...
LED Lighting: a Bright Future
A Catalyst article about light emitting diodes and how they are more energy efficient than existing light bulbs which waste most of the energy they receive. The article explains how LEDs work and how they can be applied in traffic lights. Creating white light from LEDs is difficult and the article looks at possible...
LEDs - Lighting Up a Brighter Future
A Catalyst article about devising better, more energy-efficient lighting. In particular the article focuses on LEDs. Like food, water, clothing and shelter, light is essential to daily life and is needed by most people for most of their waking hours. The article explains how LEDs work and how they are made.
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Life Below the Surface
This Catalyst article looks at scuba diving, and how having a knowledge of physics is vital in helping divers to get out of dangerous situations. Divers must be trained to control their buoyancy, and to ascend and descend at a safe pace to avoid injury. Other factors explored in the article are the effects of...
Life Beyond Earth
A Catalyst article investigating if there is life elsewhere in the universe. Scientists have found many different ways of looking for life. This article looks at the exploration so far.
This article is from Catalyst: GCSE Science Review 2004, Volume 14, Issue 3.
Life in the Balance?
A Catalyst article about Earth’s biodiversity much of which appears to be teetering on the brink of a man-made extinction crisis. Scientists have suggested that, unless urgent action is taken now, many species will disappear in the next 50 years. This article looks at some of the issues involved.
This...
Life Under a Log
A Catalyst article describing how a decaying log is used by many different invertebrates and vertebrates. The damp environment is suitable for many species. This well illustrated article looks at some of them.
This article is from Catalyst: GCSE Science Review 2011, Volume 21, Issue 3.
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Linking the World with Light
A Catalyst article about the Nobel Prize for physics 2009 winner Charles Kao, who developed optical fibre systems and CCDs which are the basis of most of today's long distance telephone systems. Kao also developed tiny solid state lasers which work for years without failing. The article also looks at the bringing...
Lucie Green - Astronomer
A Catalyst article describing Lucie Green's work as an astronomer and broadcaster on the Sky at Night programme. The article looks at her education and research career together with information on her work outside of broadcasting.
This article is from Catalyst: Secondary Science Review 2008, Volume 19, Issue...