{ "item_title" : "Water", "item_author" : [" Darlene Lauw "], "item_description" : "Learn about the fluid properties of water, its boiling point, freezing point, condensation, and evaporation. History boxes, quizzes, and simple, entertaining experiments help children understand important scientific concepts such as water pressure, evaporation, condensation, surface tension, and hydroelectric power. Students will learn: - Early and modern methods of water purification - Why salt is used to melt icy roads - How to make a simple refrigerator - About the world's water supply and how to conserve it - How to make an automatic watering device - Early water transportation methods used by the Romans - Modern uses of water as a power source - How evaporation and condensation are used in water filtration", "item_img_path" : "https://covers2.booksamillion.com/covers/bam/0/77/870/567/0778705676_b.jpg", "price_data" : { "retail_price" : "30.60", "online_price" : "30.60", "our_price" : "30.60", "club_price" : "30.60", "savings_pct" : "0", "savings_amt" : "0.00", "club_savings_pct" : "0", "club_savings_amt" : "0.00", "discount_pct" : "10", "store_price" : "" } }

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