Explores the concepts of buoyancy and density, and explains why things float or sink in water. Includes color photographs, experiments, text-related questions, and a glossary.
"A rubber duck floats in the tub. A rock sinks to the bottom of a lake. Why do some objects float and others sink? Find out in this series about materials and their properties. Informative, at-level text and . . . photos help readers understand the differences between objects that sink and float"--Provided by publisher.
Introduces the physical properties of objects that sink or float and offers examples of them in everyday life, along with simple experiments to try at home.
Mythbusters Adam Savage and Jamie Hyneman investigate urban legends, including if a child be lifted off the ground by helium balloons and if ping pong balls can be used to raise a sunken ship.
The kids from Ms. Frizzle's class learn lessons about why objects float or sink when they board the Magic School Bus--tranformed into a bus-boat--to investigate a report of a monster living in Walker Lake.
