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This book is mainly for young kids, but adults might just learn a thing or two as well.

It can be surprising which objects float and which don't. An apple floats, but a ball of aluminum foil does not. If that same ball of foil is shaped into a boat, it floats! Why? And how is it possible that a huge ship made of steel can float? Answering these questions about density and flotation is David A. Adler's clear, concise text, paired with Anna Raff's delightful illustrations. Activities that demonstrate the properties of flotation are included.

Code:

http://www65.zippyshare.com/v/ST12SoSE/file.html

Thanks "StillStanding" my grandkids will get a kick from this.

My two kids are at the age where they are always asking Why? Why this? Why that? Maybe this time I can actually shut them up.-)