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What Is Density?
Joanne Barkan
出版Scholastic Library Publishing, 2006
主題Juvenile Nonfiction / Science & Nature / Physics
ISBN05162466079780516246604
URLhttp://books.google.com.hk/books?id=HymTAAAACAAJ&hl=&source=gbs_api
註釋The natural world comes alive for young readers with Rookie Read-About Science!

Rookie Read-About Physical Science series introduces the youngest readers (Ages 6-7) to physical science concepts. Each book features critical-thinking questions throughout the text; a simple, hands-on experiment; a glossary and more.