{ "item_title" : "Tom the Atom, Book 10", "item_author" : [" Mum "], "item_description" : "Tom-the-Atom represents the Carbon Atom, the most crucial atom in the Universe. A series of illustrated science books for children and adolescents. The young reader will become familiar with the world of atoms, which make up all the material in the Universe; the Earth, the planets, the stars, and you and me. The young reader is invited to become part of the World of Atoms and to develop his/her understanding of how atoms form everything. Tom the Atom, Book 10: A day at the museum: Henry and his friends discover electricityHenry and his classmates visit an exhibit at the Lawrence Hall of Science --in Berkeley, California-- on electricity. Children learn the concept of electricity, a current of metal's valence electrons. In metallic atoms, the valence electrons are so loose that they can move from one atom to another when a pressure called voltage difference is applied to the metal. Electricity is flux or flow that we call a current of free electrons.", "item_img_path" : "https://covers4.booksamillion.com/covers/bam/9/79/867/007/9798670070539_b.jpg", "price_data" : { "retail_price" : "14.41", "online_price" : "14.41", "our_price" : "14.41", "club_price" : "14.41", "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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