Highlights It can be surprising which objects float and which don't. 4-7 Years 10.68" x 8.68" Paperback 32 Pages Juvenile Nonfiction, Science & Nature Description About the Book David Adler explains the basic principles of floatation and density in a way that will really sink in. Book Synopsis 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. Review Quotes ★"It's rare to find a picture book that uses simple, hands-on activities so successfully, leading young children to a fuller understanding of a scientific concept." --Booklist, Starred Review "It's rare to find a picture book that uses simple, hands-on activities so successfully, leading young children to a fuller understanding of a scientific concept." Booklist, Starred Review" "Adler shows his customary skill for explicating mathematical concepts in this smart exploration of floatation and density."-Publishers Weekly (starred review) "This title supports the Common Core State Standards that focus on measurement skills, interpretation of data, and incorporation of key ideas and details in the text. Recommended for math collections in public and school libaries and classroom shelves."-School Library Journal "It's rare to find a picture book that uses simple, hands-on activities so successfully, leading young children to a fuller understanding of a scientific concept." "Booklist," Starred Review" "Adler shows his customary skill for explicating mathematical concepts in this smart exploration of floatation and density."-Publishers Weekly (starred review) "This title supports the Common Core State Standards that focus on measurement skills, interpretation of data, and incorporation of key ideas and details in the text. Recommended for math collections in public and school libaries and classroom shelves."-School Library Journal About the Author David A. Adler is the author of many children's books, such as Mystery Math: A First Book of Algebra and Fractions, Decimals and Percents. He lives in New York. Anna Raff is an award-winning illustrator of many children's books. She has an MFA from the School of Visual Arts and lives in New York City.