Results for "earth and atmosphere" (434)

Earth, Sun and Moon Presentations

These presentations cover the following topics:

Aurora - the link between the solar wind and aurorae

Blue skies and red sunsets - scattering and refraction

Craters - why the Moon and Mercury have more craters than the Earth

Different designs of telescopes - reflecting and refracting...

Publication date:
2010 to date

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Magnetic Earth

This AstroPi resource helps secondary school students investigate the magnetic field of the Earth. The series of activities develops from basic principles of magnetism through to some understanding of the nature and cause of the Earth's magnetism.

The guide links to several other eLibrary resources and a...

Publication date:
2010 to date

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Our Earth under threat

This activity is designed as a ‘virtual mission’. Students will play the part of Near Earth Asteroid (NEA) scientists to the scenario of a possible asteroid impact with the Earth. By following the story of the mission (led by an automated powerpoint), students will apply their understanding of kinetic energy,...

Publication date:
2010 to date

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Linear and exponential models

This short task asks students to identify linear, exponential growth, and exponential decay from tables of values. Students then sketch the graphs and identify the equation representing the linear relationship.

This is a short task from the Mathematics Assessment Resource Service, a collaboration between UC...

Publication date:
2010 to date

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Sorting equations and identities

This resource looks at the concept of recognising the differences between equations and identities. Students substitute numbers into algebraic statements in order to test their validity. Common errors are highlighted that can occur when manipulating expressions.

Students work on an exercise that involves...

Publication date:
2010 to date

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Straight line and circle

In this resource students are challenged to determine the equation of the line that goes through a given coordinate point and is also tangential to a circle centred on the origin. The final step is to determine the radius of the circle.

The solution involves determining the gradient of the tangent and also...

Publication date:
2010 to date

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Trapezium and Diagonals

The opposite corners of a trapezium are joined, creating four triangles within the trapezium. The areas of the triangles formed using the parallel sides as is given. The task is to calculate the areas of the other two triangles.

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Publication date:
2010 to date

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Galaxies and Cosmology Presentations

These presentations cover the following topics: Big Bang - how the idea of the expansion of the universe leads to the Big Bang and theories and evidence for the Big Bang Big getting small zoom - powers of ten zoom from large to small scale Cosmic distance scale automatic - a timed animated series of images with...

Publication date:
2010 to date

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New Materials and Nanotechnology

Produced in 2015, this resource looks at glass microspheres, which contain radioactive Y-90, and are currently being used to treat liver cancer in humans, where their chemical durability is of prime importance.

This package of materials describes how the glass microspheres are used, and why. It shows how...

Publication date:
2010 to date

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Tides Simulator and Workshop

Produced by the National Schools Observatory, this PowerPoint workshop and accompanying flash animation explains tidal activity on Earth. The workshop takes the form of a PowerPoint presentation that explains why tides exist, why there are two tides each day and covers related topics such as spring/neap tides and...

Publication date:
2010 to date

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