An exploration of pulleys, covering how they are used, their design, how they work, and more. Includes audio, videos, activities, weblinks, slideshows, transparencies, maps, quizzes, and supplementary resources.
The Parthenon is considered by many to be one of the most important and unique structures ever built. Its innovative design and historical significance have influenced the building of many structures around the world. Learn much more in Parthenon, an AV2 media enhanced book.
Simple text and photographs provide information about the sense of touch, discussing what it is, texture, pressure, showing affection through touch, how it is used by animals, and numbness.
"Presents information on simple machines with a focus on pulleys. Explains what a pulley is, how pulleys work, and includes examples of past and present uses. Intended for third to fifth grade students"--Provided by publisher.
Photographs, charts, and text introduce young readers to the basics of kayaking; and offers advice on proper equipment and clothing, safety measures, and the various kayaking levels.
"Presents information regarding the migration of African Americans from the southern states to the northern states from 1916 to 1970, including key events, and influential people and groups. Intended for fifth to eighth grade students"--Provided by publisher.
A brief biography of Justin Timberlake that describes his childhood, his early singing career, and highlights from his professional career as an entertainer; and also provides information on how to write a biography.
A brief introduction to the life and achievements of Al Gore that discusses his childhood, influences, significant events, obstacles, environmental activism, and other related topics.
