TY - BOOK AU - Barrows,Annie AU - Blackall,Sophie TI - Ivy + Bean what's the big idea? T2 - Ivy and Bean SN - 9781452102368 U1 - 813.6 PY - 2011///, ©2010 CY - San Francisco, Calif. PB - Chronicle Books KW - Best friends KW - Juvenile fiction KW - Global warming KW - Schools KW - Science fairs KW - Science projects N1 - Lexile : 550L N2 - 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, isglobal warming. But what should Ivy and Bean do? Something involving explosions? Or ropes? Something with ice cubes? Or maybe ... maybe something different ER -