Science taps into a kid's natural curiosity. Help your child explore fascinating facts and compelling passages with a workbook that generates interest and teaches key concepts. Spectrum® Science for grade 4 introduces, reviews, and reinforces the skills your child needs to thrive in this subject. Cultivate a love for science by providing standards-based practice that captures children's attention. Spectrum Science for grade 4 provides interesting informational text and fascinating facts about energy alternatives, plant and animal classification, and the conservation of matter. When children develop a solid understanding of science, they're preparing for success. Spectrum Science for grades 3-8 improves scientific literacy and inquiry skills with an exciting exploration of natural, earth, life, and applied sciences. With the help of this best-selling series, your little scientist can discover and appreciate our extraordinary world! Pack of 2 identical books.