T1-T32 pages contain the introductory section to the teachers.

Each PE page is included in the TE as a reduced page having the same page number; thus, page v in the PE corresponds to page v in the TE.

#A-#B are teacher's planning guide pages that correspond to page numbers in the PE. Example: 10A-10B come before page 10 in the TE.

A1-A24 is the Appendix.

Background includes information on the innovative material that is the subject of the module, as well as a selected bibliography of recent books, articles, and Internet links on the subject.

Connecting to Your Curriculum links concepts presented in that particular activity of the module with those taught in traditional science courses.

Module At-A-Glance maps out learning objectives, materials needed, and estimated times for all activities.

Adapting the Modules allows you to tailor the module to fit the time you have and the teaching style you prefer (guided or open-ended) for full flexibility of use."

Inquiry and Design in the Classroom helps you use the modules to the fullest potential in the classroom.

Assessment Options outlines a variety of assessment options for the module, including inquiry-based assessments, traditional assessments, self-assessments, and portfolio assessments.

A Note About Safety provides module-specific as well as general recommendations of safe practices to help conduct the module successfully and safely.

Multicultural Links relate how people from different cultures use or make different materials or objects from the materials that are the topic of the module.

Procedure, Data, and Observations explains what will happen during the activity and provides various kinds of teaching tips to make the procedure go more smoothly.

Interpretation of the Data suggests possible answers to the questions posed under this heading in the PE and tips you can use to help students make or assess their interpretations.

Leading into the Activity suggests ways to introduce the activity to the students, motivate them, and help them begin the process of questioning and inquiry that will direct their focus on what they will learn.

Estimate Time gives a time range for each of the parts or steps of an activity.

Discussing the Quote relates the quote appearing in the side margin of the PE with some aspect of the activity and stimulates students' thought on the subject.

Note on... is a brief, informational note on a particular item or concept covered in or implied in the activity.

Connection to...Provides short, simple teaching tips that help you relate or adapt the activity or some aspect of the activity to you own discipline.

Extended Thinking gives you discussion questions that you can assign for homework after students read the Expanding on the Concept article.

Tips from the Trenches are quotes from teachers who have field tested the module that include specific tips or simple recommendations on how to use the specific activity or project.

The Minipedia is used for student research or background reading.

Extension Activities are used to enhance students' understanding of the featured material and of the science and math concepts presented in the module (from the Concrete Module).

Black-Line Masters which can be photocopied, provide data tables and other formats for students to record predictions, observations, data, and other information as they do the activities and design projects.

Index allows you to have at your fingertips the many fascinating facts about all areas of science that are packed into each module.