Set of books for classroom use in a middle school science curriculum; all-in-one teaching resources volume includes lesson plans, teacher notes, lab information, worksheets, answer keys and tests.

Set of books for classroom use in a middle school science curriculum; all-in-one teaching resources volume includes lesson plans, teacher notes, lab information, worksheets, answer keys and tests.

本套书是根据美国《国家科学教育标准》为中学生编写的科学教材,不仅内容丰富,而且在引领学生探究、启迪学生心智方面也有独到之处。本册为从细菌到植物。

This textbook examines 27 issues currently critical to the global environment in the areas of population and migration, consumption and quality of life, energy use and conservation, pollution and climate change, the hydrosphere, and environmental health. The second edition adds a section on using math in the environmental sciences. Annotation copyrighted by Book News Inc., Portland, OR.