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In this activity, students create colour images from satellite data. This allows them to study how different surfaces reflect different wavelengths of light, how coloured images are created using an RGB model, and how band combinations can be chosen to examine a particular landscape effectively.

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This activity allows students to investigate how images are produced from data streams by using first a spreadsheet and then an image-processing program. They then go on to see how the usefulness of such a monochromatic image may be enhanced by using lookup tables and calibration. The materials used focus on the...

This teaching package, aimed at Key Stages Two and Three, investigates the science of tree rings (dendrochronology). Linked to the topics of plants and living things and their habitats, it looks at cut tree trunks to determine the age of the tree, how fast it grew and...

This activity shows how Earth observation can be used to study human geography by comparing the satellite images of Las Vegas over the last few decades. Linking to measurement of irregular areas and addition and multiplication of fractions, it asks children to measure the area of Las Vegas at three separate times...

There is much debate about reducing greenhouse gases and how renewable energy sources might form part of the answer. Most people agree that renewable energy is a good thing, but how do people react when a wind farm is proposed to be built near them? The following...