Why is the sky blue?
Jodie from Cheshire (age 5-14)
Francesca from Greater London (Age 5-14)
Liam Lucas from Tyne and Wear (Age: 5-14)
Jenny Sutton from West Midlands (Age: 25-34)
Minet Junior School from Greater London (Age 5-14)
Jack Shurety from Northamptonshire (Age: 5-14)
Bluebell class from Kent (Aged 5-14)
Kemi and Ellie from Cornwall (aged 5-14)
Victoria Vine from Kent (aged 5-14)
Butterfly Class from Kent (aged 5-14)
Niamh from West Midlands (aged 5-14)
Charlie from Swansea (age 5-14)
Louise Coleman from Kent (age 5-14)
Why is the sky blue not purple?
Megan from Kent (age 5-14)
Why does the sky appear blue?
Shannon Bermingham from Greater London (age 5-14)
Filed under: Answered Big Questions, Environment & Natural World Big Qs, Physics Big Questions, Planetary Science Big Questions, Roland Jackson's Big Answers, age 5-14

There’s an answer here:
http://bigquestion.wordpress.com/2008/02/20/why-is-the-sky-blue-during-the-day/ and a longer one here:
http://www.sciencemadesimple.com/sky_blue.html, which also explains why sunsets are red!
A very concise answer has been posted on this forum here:
http://bigquestion.wordpress.com/2008/02/20/why-is-the-sky-blue-during-the-day/
Light scattering through nitrogen molecules.
Becouse God loves the infantry