"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!"--

The story of the only rock we eat, including its origin, the other discoveries made because of it, and tales of salt and the people who have been involved with it through the ages.

"So what makes seawater taste salty? Readers will discover how tiny particles of salt from rocks on land are carried into Earth's oceans by rivers, and washed into the sea by ocean waves."--

Salt doesn t just make food taste better. Since ancient times, this compound has had profound effects on food, culture, and trade. Meanwhile, having too much or too little salt in your diet can cause serious health problems. This book explores the historical, nutritional, and economic importance of what chemists call NaCl, and what the rest of us call salt.The media is full of advice about what foods to eat and what to avoid. Unfortunately, the advice...

Explains where salt is found, how it is processed, and why it remains such an important resource in today's world.

Discusses what salt is, where it is found, and some of its many uses; includes a simple experiment for growing salt crystals.

"Explores the superstition surrounding what happens when someone spills salt, examines where the superstition came from, how and why it has continued to affect people over time, and whether people still believe it today. Additional features include a table of contents, Fast Facts, critical thinking questions, a phonetic glossary, an index, and sources for further research"--

Text, photographs, and diagrams examine the history of salt, describe how it is found, mined, and refined, and discuss how it is has been used through the ages.

"Salt is a popular seasoning for flavoring food. But how does it get from the sea to a salt shaker? See what happens step by step in the process of making salt. Now in Spanish!"--