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Institution of Engineering and Technology (IET)
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These resources have been reviewed and selected by STEM Learning’s team of education specialists for factual accuracy and relevance to teaching STEM subjects in UK schools.
New Tech and Old Tech
This activity, from the Institution of Engineering and Technology (IET), allows students to compare old and new technologies (railway five-pointer telegraph against the SMS message) to experience how significant the advances in technology have been. The nature of microwaves is introduced and students learn about their part in a cell phone system.
The Cell Phone Network handout helps students understand the connections that are made when mobile phone calls are made to another handset or a land line telephone.
Curriculum links include properties of waves, electromagnetic radiation, microwaves, detectors, penetration, absorption.
This resource is supported by the videos Engineering for Entertainment and Communications for Safety, and by a full set of resources in the Inform and Entertain Me collection.
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Cell phone (activity sheet) 1.85 MB
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Cell phone (activity sheet) 1.85 MB
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