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Radar, Waves, Bats and BLAST

This resource looks at how distance can be measured using sound. A brief description of sonar and radar is given, along with an explanation of the Doppler effect and the wave equation. Students then use this equation to answer a set of questions.

The Cutting a Person in Half Trick

In the video Matt Parker presents the laziest cutting a person in half trick using a strip of paper. The strip of paper is used to create a Mobiüs loop which is then cut in half lengthways with surprising results. The ‘trick’ is then explained by exploring the properties of the Mobiüs loop. As a finalé Matt cuts...

Catalyst Volume 24 Issue 4: Full Magazine

This issue of Catalyst contains the following articles:

Catching a Comet

The Rosetta spacecraft is designed to catch up with, and explore, a comet.


STEM Case Study: Priestley College - (Engineering Education Scheme)

This case study describes how Priestley College promotes STEM subjects and careers to girls, through involvement in the Engineering Education Scheme (EES). The scheme, run by EDT, lasts six months and offers hands on experience for a group of four year twelve students who are studying maths and physics/chemistry....

The First Programmable System

In this activity students explore why a water clock was the world's first programmable system. Programmable systems are by no means a modern invention. Many regard the first to be Ktesibios's water clock, which was invented approximately 2250 years ago.

The aim of this activity is that students apply what...

The Future of Programmable Systems

In this activity, students explore how programmable systems will develop in the future. Students are required to be able to recognise user needs that could be met by a programmable system and to use an annotated sketch to design a programmable system that will meet a specific user need.

As technology...

Writing a Flowchart

This engineering activity, suitable for children in computing lessons, looks at the basics of flowchart construction.

Simple examples, such as the decisions made by a dog chasing a stick, are used to make flowchart representation of algorithms accessible to younger children.

A simple design activity...

Efforts to increase students’ interest in STEM studies and careers: National measures taken by 30 countries, 2015 report

This publication is the latest in a series of reports about national efforts to increase students’ interest in pursuing Science, Technology, Engineering, and Mathematics (STEM) studies and careers.



Six R's *suitable for home teaching*

This resource from Practical Action helps students look at the 6Rs, their definitions and products which illustrate the 6Rs in action. These are: rethink, reuse, recycle, repair, reduce and refuse. Students look at the definitions carefully again and rank each of the Rs in terms of which contributes most and which...

Wind power STEM challenge

From Practical Action, this challenge asks students to design a simple wind turbine capable of lifting a cup off the floor to bench height. The winning team will be the one producing a machine that lifts the most weight. The resource includes an instruction sheet, wind turbine images, links to videos and...


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