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Showing 10 results from a total of 116

Teach issue18lncu
| Issue 18

The heat is on: heating food and drinks with chemical energy

Have you ever longed for a hot drink or meal but had no fire or stove to hand? Marlene Rau presents two activities from the Lebensnaher Chemieunterricht portal that use chemical reactions to heat food – and to introduce the topic of exothermic reactions.

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

Teach issue18biomimetics
| Issue 18

Biomimetics: clingy as an octopus or slick as a lotus leaf?

Astrid Wonisch, Margit Delefant and Marlene Rau present two activities developed by the Austrian project ‘Naturwissenschaft und Technik zum Angreifen’ to investigate how technology is inspired by nature.

Ages: <11, 11-14, 14-16, 16-19;
Topics: Physics, Biology
             

Understand issue17ozone
| Issue 17

A hole in the sky

Twenty-five years ago, the discovery of the hole in the ozone layer hit the news. How have things developed since? Tim Harrison and Dudley Shallcross investigate.

Ages: 16-19;
Topics: Chemistry, General science, Earth science
           

Understand issue16solarcars
| Issue 16

Solar cars: the future of road transport?

Ever dreamed of a car that needed no fuel and produced no pollution? Mico Tatalovic investigates the solar car.

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

Teach issue16lesa
| Issue 16

LeSa21: primary-school science activities

Teaching science in primary school can be challenging. Astrid Kaiser and Marlene Rau describe a rich source of online materials in three languages – and highlight some activities about oil and water.

Ages: <11, 11-14, 14-16, 16-19;
Topics: Biology, Chemistry, General science
   

Understand issue16coldseeps
| Issue 16

Cold seeps: marine ecosystems based on hydrocarbons

David Fischer takes us on a trip to the bottom of the sea to learn about cold seeps – their ecosystems, potential fuels, and possible involvement in global warming.

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

Understand issue15biodiversity
| Issue 15

Homo sapiens – an endangered species?

This year has been proclaimed the International Year of Biodiversity. During 2010, governments will seek to reach agreement on a new biodiversity target, to be decided at the Nagoya summit in October. Will this enable us to save not only whales and tigers, but also our own species? Marlene Rau…

Ages: 14-16;
Topics: Biology, Chemistry, Earth science