The American Heritage® 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.

In an updated edition covering a wide variety of scientific fields, more than four thousand entries with definitions of basic scientific terms are accompanied by illustrations, "Did You Know" sidebars, and explanatory notes.

Entries with definitions of basic scientific terms are accompanied by illustrations, "Did You Know" sidebars, and explanatory notes.

Publisher Description

Introduces the language and concepts of science through alphabetically listed entries with illustrations, "Did You Know" sidebars, and explanatory notes.