Why Is Snot Green?

 

US                                                          UK

 

 

 

 

 

 

 

Why is Snot Green? And Other Extremely Important Questions (and Answers)

by Glenn Murphy

Roaring Brook Press, Flashpoint, 2009 (US printing, UK, 2007) MacMillan

ISBN #978-1-59643-500-1

NF paperback grades 4-7

How big is the universe?

Big. Really big. Crazy big. Billions of times bigger than the biggest thing you can imagine.

The book goes on to say: If you drove a tunneling car straight through the middle [of the Earth:], you'd get t