This activity sheet builds on students' knowledge of separating mixtures and looks at how and why water is treated.  There is also an extension activity which looks at the importance of oxygenation of lake water.

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...

A Catalyst article about the many roles of chemists at work. The links with biology, physics and geology are examined as are many other subjects. The article looks at some of the areas in which chemists work and it explores what makes it distinctive from other sciences.

This article is from Catalyst:...

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...