(fossils used to identify the age of sedimentary rock layers) or preparing a display of objects that represent a student's culture.

Other features include problem-solving challenges, science career descriptions, and science connections to real-world events or issues. The student edition closes with readings on 3 topics: (1) paleontologist Jack Horner's work on the behavior of dinosaurs, (2) the debate over the cause of the extinction of the great dinosaurs, (3) and a fictional account of the kind of life forms that may have evolved elsewhere in the universe.

Teacher's Edition In the teacher's wraparound edition, each chapter begins with a 2-page planning guide and a 2-page preview that summarizes each section within the chapter. The teacher's edition also provides suggestions for teaching, guiding, integrating, and closing lessons, as well as enrichments, extensions, and answers to questions in the student text.

Supplementary Laboratory Manual The supplementary lab manual provides 8 investigations directly correlated with the information presented in the student textbook. Examples of investigations include developing a model to demonstrate the half-life of a radioactive element; observing variations in kidney beans, pine needles, and maple leaves; and developing a model that illustrates natural selection in deer mice.

Program Resources and Support Materials A variety of materials, including some optional components, is available. A teacher's


Entry Numbers

Curriculum materials are arranged alphabetically by title in each category (Core Materials, Supplementary Units, and Science Activity Books) in chapters 1 through 5 of this guide.

Each curriculum annotation has a two-part entry number: the chapter number is given before the period; the number after the period locates the entry within that chapter. For example, the first entry number in chapter 1 is 1.1; the second entry in chapter 2 is 2.2; and so on.

The entry numbers within each curriculum chapter run consecutively through Core Materials, Supplementary Units, and Science Activity Books.

Order of Bibliographic Information

Following is the arrangement of the facts of publication in the annotations in this section:

  • Title of publication

  • Number of edition, if applicable

  • Authors (an individual author or authors, an institutional author, or a project or program name under which the material was developed)

  • Series title

  • Series developer, if applicable

  • Place of publication, publisher, and date of publication

Recommended Grade Level

The grade level for each piece of material was recommended by teacher evaluators during the development of this guide. In some instances, the recommended grade level may differ slightly from the publisher's advertised level.

Key to Content Standard: 5-8

The key lists the content standards for grades 5-8 from the National Science Education Standards (NSES) that are addressed in depth by the item. A key is provided for core materials and supplementary units. (See appendix C.)

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