How does a roller coaster car stayon the track when hurtling upside-downon a gigantic loop?

Why does folding a piece of paper inan accordion shape make it stronger?
What wing shape givesairplanes their lift?
How do rockets blast off into space?
Now you can discover the answers to these and many other fascinating questions about engineering for yourself with this fun-filled resource. Janice VanCleave's Engineering for Every Kid presents entertaining, challenging experiments and activities to help you understand the different types of engineering there are--including structural, solar, electrical, and chemical--and how each is applied to real world everyday situations.
Each of the activities is broken down into its purpose, a list of easy-to-find materials, step-by-step instructions, expected results, and a simple scientific explanation. Plus, the book's 25 projects can easily be used in the classroom, as the basis of a science fair project, or at home just for fun!
Also available in Janice VanCleave'sScience for Every Kid series:
ASTRONOMY
BIOLOGY
CHEMISTRY
CONSTELLATIONS
DINOSAURS
EARTH SCIENCE
ECOLOGY
ENERGY
FOOD AND NUTRITION
GEOGRAPHY
GEOMETRY
THE HUMAN BODY
MATH
OCEANS
PHYSICS