How does seawater turn into crystals of salt? Follow each step--from filling ponds with seawater to sprinkling salt on your popcorn--in this fascinating book!.
Examines the scientific reasons the ocean and some lakes have salt water. Includes a related science experiment, a glossary with pictures, resources for further information, and color photographs.
"How does seawater turn into crystals of salt? Follow each step--from filling ponds with seawater to sprinkling salt on your popcorn--in this fascinating book!"--.
Describes the chemical composition, or saltiness, of the ocean and discusses the effect of man on the oceans as well as the processes that formed the oceans and now maintain their balance.
