The human population of Earth has reached seven billion. This Catalyst article explores the impact that human activity may have on the planet. The article looks at the rate of population growth and how human impact is also related on the amount of resources used by an individual. It considers if the effects of...

This video shows how cards with different shaped holes circle, square, triangle), held to the sun, produce circular points of light, because what is seen is the image of the sun (this is how a pinhole camera works).

Shefali engages with customers, media and investors to help to grow the company.  Shefali works at Oxford Space Systems, a company developing innovative technology that is launched into space.  She often helps to act as the link between customers and the engineers working on the satellite designs. 

Through these resources, students investigate sewage tunnels that are being built under London and consider how society has changed over time, to identify the influences that have resulted in the needs for a new tunnel. Activities challenge students to use their mathematical skills to calculate critical dimensions...

Alkaseltzer rockets
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This resource highlights the...

These resources explore the use of camouflage, colour and toxins by both predators and prey. The first activity looks at the life cycle of ladybirds and their behaviour. Students also investigate whether the colour of food or prey has a stronger effect when clumped together and whether the bright colours and...

Siemens’ vision is to transform the everyday and inspire the next generation.  Siemens digital equipment and software, renewable energy, network infrastructure and healthcare solutions show young people the possibilities and great things that can be achieved in the world through engineering. As an employer, Siemens...

Siemens have created a number of high-quality engaging online interactive games and activities for pupils of all ages covering many aspects of the STEM curriculum.  Topics range from cybersecurity to carbon emissions; programming to dressing a site worker in appropriate personal protective clothing. Many of the...

This video demonstrates the use of a signal generator to illustrate waves and sound. The video shows how features such as frequency, amplitude and wave form can be demonstrated using a loudspeaker and an oscilloscope.

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This resource, from the Institution of Engineering and Technology (IET), explores how communicating rapidly over long distances has changed a great deal since beacons were lit on hilltops. It introduces the science behind sound vibrations, and presents signals,...

A Catalyst article describing how engineers have designed an aircraft which will produce much less noise as it approaches and leaves the airport. The Silent Aircraft Initiative is a collaboration between scientists and engineers at two universities, Cambridge (UK) and the Massachusetts Institute of Technology (USA...