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Showing 10 results from a total of 175

| Issue 27

Purple fumes: the importance of iodine

Iodine, with its characteristic purple vapours, has myriad applications – from the familiar disinfectant to innovative solar cells.

Ages: 14-16, 16-19;
Topics: Physics, Chemistry, Health
             

| Issue 26

Casting light on solar wind: simulating aurorae at school

The aurorae are one of the wonders of the natural world. Using some simple apparatus, they and related phenomena can easily be reproduced in the classroom.

Ages: 16-19;
Topics: Physics, Astronomy / space, Earth science
             

| Issue 26

Cracking the mystery of how our planet formed

Studying the chemical composition of some of the planet’s oldest rocks has revolutionised our understanding of how our continents formed.

Ages: 11-14, 14-16, 16-19;
Topics: Physics, Chemistry, Earth science
             

| Issue 25

Weighing up the evidence: what is a kilo?

​We all know what a kilogram is – or do we? Researchers worldwide are working to define precisely what this familiar unit is.

Ages: 11-14, 14-16, 16-19;
Topics: Physics, Chemistry