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A series which encourages readers to take a closer look at some of the products which they see and use every day, by making collections, observations, and trying simple activities. A short section in each book describes how the product is made in the factory or on the farm, relating the manufacturing process to the children's own investigation. Each book uses simple language throughout and is illustrated with colour photographs. This book explains where our water comes from, the cleaning process it has to go through and how it is used.
From salted peanuts to the Dead Sea, this book looks at the importance of salt. Through experiments children can investigate the properties of salt to understand why it is used for purposes as diverse as de-icing roads and pickling onions.