Download or read book Science Workshop Series: Chemical changes written by Seymour Rosen and published by . This book was released on 2000 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: This program presents science concepts in areas of biology, earth science, chemistry, and physical science in a logical, easy-to-follow design that challenges without overwhelming. This flexible program consists of 12 student texts that can easily supplement an existing science curriculum or be used as a stand-alone course. Reading Level: 4-5 Interest Level: 6-12