Follow the patterns of the sun and Earth to learn what causes day and night. Learn the process of hibernation and different ways animals adapt to survive in harsh climates. Take a journey to discover the wonders of migrating animals, including why they migrate and how far they travel. Track all four seasons and discover the importance of weather patterns to plant and animal life. Uncover the facts of both animal and plant life cycles, and learn how people's actions can impact them. PreK- Grade 4. Paperback.