Tell me why

Explains why day and night occurs, including information on the rotation of the Earth, the North and South pole, and the planets and stars.

"Offers answers to the most compelling questions [about] natural disasters and weather. Additional text features and search tools, including a glossary and an index, help students locate information and learn new words"--Provided by publisher.

Offers answers to questions about why bats sleep upside-down at night.

"Offers answers to the most compelling questions about natural disasters and the earth's crust. Age-appropriate explanations and appealing photos. Additional text features and search tools, including a glossary and an index, help students locate information and learn new words"--Provided by publisher.

Presents and answers questions about insects such as: What is a moth? What are caterpillars? How many kinds of flies are there? How are flies born? How do insects breathe? Why do mosquitoes hum?.

Uses simple text and color photographs to explain the science behind hurricanes.