The joy and challenge of building ‘cheap and cheerful’ sensors has a wide appeal to adults as well as children. It also opens a wide number of links to aspects of the mathematics, science, computing, design and technology, and engineering curricula, supporting scientific investigation and discovery. These...

In this activity children take on the role of Earth observation scientists submitting a request for an image they would like for their research. This gives them the opportunity to consider the possibilities of pictures taken from orbit (and the limitations) and to write scientifically for a specific audience. It...