Ivy and Bean What's the Big Idea? (Book 7)

Title: Ivy and Bean What's the Big Idea? (Book 7) Author: Barrows, Annie ISBN: 9781452102368 Publisher: Chronicle Books Published: 2011 Binding: Quality Language: English Condition: New New from the publisher Children's Chapter Books 1385594 Publisher Description: It's the Science Fair, and the second grade is all over it! Some kids are making man-eating robots. Some kids are holding their breath for a very, very long time. Some kids are doing interesting things with vacuum cleaners. The theme, obviously, is global warming. But what should Ivy and Bean do? Something involving explosions? Or ropes? Something with ice cubes? Or maybe...maybe something different.