Lerner Pub Group

Float and Sink
Float and Sink

Float and Sink，Robin Nelson所著，Lerner Pub Group出版发行，图书装帧形式选用图书馆装订，ISBN: 0822551357

Robin Nelson

You Can't Sink in the Dead Sea and Other Facts and Curiosities
You Can't Sink in the Dead Sea and Other Facts and Curiosities

You Can't Sink in the Dead Sea and Other Facts and Curiosities，Carol Iverson所著，Lerner Pub Group出版发行，

Carol Iverson

What Floats? What Sinks?: A Look at Density
What Floats? What Sinks?: A Look at Density

A rock sinks in the water. A hot air balloon floats in the air. Many objects float and sink. But wha

Jennifer Boothroyd