The American Heritage(R) Student Science Dictionary, Second Edition, for students in grades 7 and up (ages 12 and up), provides comprehensive coverage of all the sciences. The dictionary includes more than 4,500 entry words in A-Z format, 450 full-color photographs and drawings, and over 150 in-depth notes. Definitions are written in easy-to-understand language. Additional features include full-page treatment of complex topics such as photosynthesis, and several tables and charts, including the periodic table and a chart of geologic time.
More than 250 new entries and senses have been added to this brand-new edition, including cloud computing, genetically modified organism, and the recently named elements flerovium and livermorium.
I bought this book for my 11 year old son. Our encyclopedia set was a bit overwhelming for him so I thought a science dictionary would be less intimidating. He just loves it. He spends hours just flipping pages and reading entries that interest him. Definitions are concise yet not over simplified with plenty of examples and pictures to keep everything clear. Major topics are discussed in length making this more than just a dictionary. I enjoy browsing through it myself. Science is fascinating when properly explained. He brought it to school and the other kids all agreed that this book is "cool". This is an excellent book for adults and children. This is a must have book for your reference collection.
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