Based upon the National Science Education Standards for Grade 4, Science by the Grade focuses upon Unifying Concepts and Processes, Science as Inquiry, Physical, life and earth & space science among others. Each lesson provides a list of "Key terms" that can help students grasp the chapter's topic, background information, review with multiple choice and short-answer questions, a series of varied activities and an experiment. A student assessment, glossary and answer key are included. 128 pages, softcover. Grade 4. Reproducible blackline masters included.