How do airplanes stay up?

This book introduces readers to the science behind aviation.

Students learn about the four forces of flight: gravity, lift, drag, and thrust.

Vivid photographs and easy-to-read text aid comprehension for early readers.

Features include a table of contents, an infographic, fun facts, Making Connections questions, a glossary, and an index.

QR Codes in the book give readers access to book-specific resources to further their learning.