by Tea Benduhn · Weekly Reader Pub. · Hardback · 24 pages · ISBN 0836892658
 
Key features: - Academic vocabulary introduced with clear - age-appropriate definitions- Correlates to science curriculum standards- Leveled text reviewed by a reading consultant and a science curriculum consultant- Close photo-text match builds comprehension- Colorful diagrams and charts to aid understanding- Glossary - Index- Sources of further information