This Catalyst article describes how the salty water in the oceans has some consequences for how the ocean water mixes – or does not mix. There are distinct bodies of water in the oceans which mix only very slowly. The experiments detailed in the article will explain why this is.

The article is from Catalyst...

The We Are Aliens! teaching resources were produced to support the planetarium show made by NSC Creative. They have been produced by lead educators from the National Space Academy to use the context of space to teach physics, chemistry and biology in the curriculum. The resources contain practical activities,...

This Catalyst article investigates how polymer materials can be designed and printed with electrical properties that allow them to be used in wearable electronic devices. The article is from Catalyst: Secondary Science...

This article from Catalyst looks at aurora borealis caused by the interaction of the solar wind with the Earth's magnetic field. It also explains how satellites are testing thoeires of how this happens. Auroral light emission occurs at roughly 100 km altitude. Energetic electrons in the solar wind cause the...

In this activity, alcohol and air are mixed in a large plastic water bottle before being ignited, to simulate the physics principles of...

Planetary scientist, Professor Andrew Coates, explains why scientists look for the evidence of signs of past life on Mars.  He talks about the history of Mars and the current harsh environment on the planet. This video is part of a series of ten which look at the one of the elements of the European Space Agency’s...

These resources can be used to help celebrate World Ocean Day which was started to encourage people to unite and take action to protect and restore the ocean.

Some of the resources look at how changes in the climate affect the oceans, such as acidification, and the consequences for biodiversity. Others look...

whynotchemeng was set up by the Institute of Chemical Engineers (iChemE) to encourage students to consider careers in chemical, biochemical or process engineering. The resources are designed to give information for students, teachers, careers specialists and parents. The Top 10 Flash Bang videos have been produced...