The Spectrum® Science Workbook for fourth grade features 144 pages of compelling passages that introduce, review, and reinforce the skills that students need to thrive in science. Filled with informational text and fascinating facts, this resource helps students build a solid understanding of key concepts in natural, Earth, life, and applied sciences. This standards-based workbook improves scientific literacy and inquiry skills through an exciting exploration of informational texts about energy alternatives, plant and animal classification, and conservation of matter. Featuring research extension activities, key word definitions, and an answer key, this workbook allows students, parents, and teachers to effectively gauge skill mastery and science comprehension. The best-selling Spectrum series is a favorite of parents and teachers because it's carefully designed to be both effective and engaging––the perfect building blocks for a lifetime of learning.