What is density? /
Barkan, Joanne
What is density? / by Joanne Barkan ; subject consultant, Andrew Fraknoi. - New York : Scholastic Inc. 2006 - 31 pages : color illustrations ; 18 cm.
Includes index.
0516246607 (pbk.)
Matter -- Properties --
Specific gravity -- --Juvenile literature.--Juvenile literature.
What is density? / by Joanne Barkan ; subject consultant, Andrew Fraknoi. - New York : Scholastic Inc. 2006 - 31 pages : color illustrations ; 18 cm.
Includes index.
0516246607 (pbk.)
Matter -- Properties --
Specific gravity -- --Juvenile literature.--Juvenile literature.