Engineering answers

Bridges allow people and vehicles to cross over many obstacles. How Bridges Stand Strong introduces different types of bridges and explores how they stay sturdy. Easy-to-read text, vivid images, and helpful back matter give readers a clear look at this subject. Features include a table of contents, infographics, a glossary, additional resources, and an index.

"Rockets blast off carrying astronauts, satellites, and science equipment. How Rockets Reach Space introduces the parts of a rocket and explores the forces rockets must overcome to leave Earth. Easy-to-read text, vivid images, and helpful back matter give readers a clear look at this subject. Features include a table of contents, infographics, a glossary, additional resources, and an index"--Amazon.com.

Arches and triangles are some of the strongest shapes. Why Arches and Triangles Are Strong introduces the forces that hold them steady and explores how they are used to build sturdy structures. Easy-to-read text, vivid images, and helpful back matter give readers a clear look at this subject. Features include a table of contents, infographics, a glossary, additional resources, and an index.