STC™ Program - Science and Technology Concepts STC BOOKS™ are colorful 64-page readers with research-based science content, giving teachers an ideal way to integrate science instruction during guided, independent, or take-home reading. Teachers use STC™ science curriculum materials to enhance elementary classrooms, increase student test scores, and meet national and state educational standards.

Grades 5-6. Paper is everywhere, so we tend to take it for granted. Although paper is essential to modern life, it's a relatively new invention, produced in quantity only since the 1600s. Technology of Paper tells students about paper-what people used before paper was invented, how paper is produced, its many uses, and how it can be preserved. One reading selection tells how conservators at the National Archives protect historic national documents such as the Declaration of Independence and the Constitution from damage due to light, moisture, insects, and time. Another story describes the uses of paper, including furniture. .