Water, Snow and Icy Roads.

At what temperature does sea water freeze? Why do aeroplanes not freeze when up in the cold air? Why can't we use sand on icy roads? We tackle these chilling questions on...
15 January 2010
Presented by Dave Ansell, Sue Marchant

new_house_first_snow_006.jpg

this is the first pic of snow in the new house

Share

At what temperature does sea water freeze? Why do aeroplanes not freeze when up in the cold air? Why can't we use sand on icy roads? We tackle these chilling questions on this week's show as well as reveal if parachutes could slow down a space ship, whether we can see stars from the moon, if smoke stacks can be harvested for energy and if wood vapourises before it burns!

Comments

Add a comment