Provide the boost students need to raise scores on state Science tests with Buckle Down's Science materials for Grades 3-8, featuring a focused review of critical standards most commonly covered on state tests. Units include The Nature of Science, Physical Science, Earth & Space Science, and Life Science.

• "Keys To Keep" at the end of each review summarize main ideas and important concepts to remember.
• Difficult or unfamiliar terms are highlighted in the "Words to Know" section at the beginning of each review, emphasized in bold-face throughout, and defined in the glossary.
• "People in Science" feature profiles famous scientists from around the U.S.