Results for "earth and atmosphere" (614)

Earth's Early Atmosphere

A Catalyst article about how the study of ancient rocks and sediments can help deduce how the Earth's atmosphere has changed over billions of years. There used to be much less oxygen than there is today. This article describes how the composition of the atmosphere has changed through history; it also explains the link...
Publication date:
2000 - 2009

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Gases in the Atmosphere

Publication date:
2000 - 2009

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Chemistry Now - Chemistry of the Atmosphere

This resource, from the Royal society of Chemistry, looks at the way that the Earth’s present atmosphere has evolved from possible earlier atmospheres. Some of the available evidence for different scenarios is presented and critically discussed. The two possibilities that are presented are either that the Earth was...
Publication date:
2000 - 2009

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Impact Earth

A Catalyst article about giant asteroids. Astronomers say that, one day, a giant rock from space will collide with the Earth and cause mass devastation. This could lead to the extinction of many species, including humans. The article looks at what can be done to prepare for such an impact and what happened when a...
Publication date:
2000 - 2009

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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.Catalyst is a science magazine for students aged 14-19 years...
Publication date:
2010 to date

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Where on Earth?

This Catalyst article is devoted to the use of satellites for navigation. It looks at GPS (global positioning system), the involvement of satellites and how GPS signals work in navigation and calculating position.This article is from Catalyst: GCSE Science Review 2002, Volume 13, Issue 2.Catalyst is a science...
Publication date:
2000 - 2009

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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.Catalyst is a science magazine for students aged 14-...
Publication date:
2000 - 2009

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From Earth to Mars

This Catalyst article describes how a manned trip to Mars and back would be very demanding, both technologically and for the people involved.This article is from Catalyst: Secondary Science Review 2011, Volume 22, Issue 2.Catalyst is a science magazine for students aged 14-19 years. Annual subscriptions to print...
Publication date:
2010 to date

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How Smart Is an Ant?

A Catalyst article about ants. A colony consists of hundreds, even thousands, of ants working diligently and cooperatively, perhaps to kill and carry a large prey item, build a large nest structure or develop and use road-like networks for foraging. Collectively, colonies of social insects can do amazing things and...
Publication date:
2010 to date

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Posters and Newspapers

The seven posters can be used in class when children are engaged in a space topic. Each file contains an image and a description associated with the image, in large font type. The posters are: constellation; galaxies; nebula; planets; solar system; sunspots; and the sun. The remaining files are articles from The Times...
Publication date:
2010 to date

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