This book teaches children to do various interesting experiments with simple tools. Thus it helps them actively and intuitively understand the scientific knowledge in daily life.
Les informations fournies dans la section « Synopsis » peuvent faire référence à une autre édition de ce titre.
Vendeur : liu xing, Nanjing, JS, Chine
paperback. Etat : New. Paperback Language: Chinese What is air? Where is it? How to change the sewage clarification? Melting glaciers. what are the consequences? As long as you use our brains. into our Environmental Protection Laboratory. will be able to personally get involved to find out the answers to environmental issues. Not only that. you'll also learn many of the daily life of scientific knowledge. to learn many a good way to protect the environment. Protection of the environment in which we live. is everyon. N° de réf. du vendeur N70649
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