Articles

Showing 5 results from a total of 45

Understand

February 1, 2024 | Issue 66

Grimy windows could be harbouring toxic pollutants

Dirty windows can harbour potentially harmful pollutants under protective films of fatty acids from cooking emissions – and these can hang around for long periods of time.

Ages: 14-16, 16-19;
Topics: Chemistry, Engineering, Health, News from the EIROs, Physics, Science and society
 

Teach

February 1, 2024 | Issue 66

Explore enzymes and the science of lactose intolerance using lactase tablets

Lactase tablets for managing lactose intolerance can be used in the classroom to explore the biochemistry of sugars and the properties of enzymes.

Ages: 14-16, 16-19;
Topics: Biology, Chemistry, Health, Science and society

Teach

February 1, 2024 | Issue 66

Simple biofuel cells: the superpower of baker’s yeast

Redox reactions carried out by inexpensive baker’s yeast during breadmaking can also be used to demonstrate biofuel cells in the classroom.

Ages: 11-14, 14-16, 16-19;
Topics: Biology, Chemistry, Sustainability
 

Teach

February 1, 2024 | Issue 66

A twist on the candle mystery

Three candles of different heights are lit in a closed space. Surprisingly, the longest candle goes out first. Can you solve the mystery?

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

Teach

February 1, 2024 | Issue 66

Colour science with lasers, gummy bears, and rainbows

Shine a light on the science of colour: create and combine rainbows and explore how colours arise through reflection, absorption, and transmission.

Ages: <11, 11-14;
Topics: General science, Physics, Profiles, STEAM