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Author
Publisher
Holiday House
Pub. Date
[2013]
Language
English
Formats
Description
An apple floats, but a ball of aluminum foil does not. But if that same ball of foil is shaped into a boat, it floats. Why? Adler answers questions about density and flotation with clear, concise text, paired with Raff's illustrations. Activities demonstrating the properties of flotation are included.
3) Triangles
Author
Publisher
Holiday House
Pub. Date
[2014]
Language
English
Description
Introduces triangles, discussing the different types of triangles and the concept of triangle size measured in degrees.
Author
Publisher
Holiday House
Pub. Date
[2009]
Language
English
Description
This beginning guide to economics will have readers thinking about the purpose, and not just the value, of money. From bartering, early forms of currency, credit cards, and digital payment, here is a clear and thorough introduction to money.
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