Articles

Showing 4 results from a total of 4

Teach

June 10, 2025 | Issue 73

Chemistry in a coffee cup: does coffee waste contain key elements for plant growth?

Circle of life: Explore sustainability, the circular economy, and chemical analysis by evaluating coffee waste as a potential soil enhancer.

Ages: 14-16, 16-19;
Topics: Biology, Chemistry, General science, Sustainability

Teach

January 9, 2020 | Issue 49

Are ‘superfoods’ really so super?

Are you tempted to buy ‘superfoods’ for health reasons, despite the higher prices? These activities encourage students to explore some of the claims made for these celebrity foods.

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

Teach

March 9, 2007 | Issue 4

Two hydrolytic enzymes and an epistemological–historical approach

Why are enzymes so special? How do they differ from inorganic catalysts? Isabella Marini from the University of Pisa, Italy, describes a classroom protocol to enable students to answer these questions for themselves.

Ages: 14-16;
Topics: Biology, Chemistry
       

Teach

December 20, 2006 | Issue 3

The detective mystery: an interdisciplinary foray into basic forensic science

Graham Gardner from the Inter-Community School in Zürich, Switzerland, describes how an attempt to interest his students in chemical separation techniques developed into a full-scale interdisciplinary detective mystery.

Ages: 14-16;
Topics: Chemistry