Kategoria BISAC: Juvenile Nonfiction >> Technology - How Things Work/Are Made

Did you know there is a lot of science behind making candy? How about that "Red Hots" candies get their heat from a chemical called capsaicin--the same molecule that gives peppers their kick? And when you crunch on Wintergreen Lifesavers, they spark because you are making light with friction similar to the electricity in lightning: You might say you are making a miniature lightning storm in your mouth Learn about these...

Did you know that a rollercoaster does not need an engine or power source of its own? And how exactly does a bumper car go without gas? Young science lovers will flip when they learn about the science behind amusement parks in this fun, fact-filled Level 3 Ready-to-Read

A special section at the back of the book includes Common Core-vetted extras on subjects like geography and math, and there's even a fun quiz so readers can test...

From the factory to the road, browse through more than 170 cool cars -- from hatchbacks to hybrids -- in Pocket Genius: Cars. Trace the history of the automobile from early vintage cars to modern concept cars, limousines to coupes, and minivans to sports cars in this compact-size reference guide perfect for children ages 8-12.

Redesigned in paperback, DK's best-selling Pocket Genius series is now available in an engaging compact and economical format that is ideal for both browsing and quick reference for use in school and at home. Catalog entries packed with facts provide...

Building the Brooklyn Bridge was no simple feat. Despite a brilliant plan from a father-son team of engineers, the process was a dangerous and grueling one. Construction workers developed a mysterious illness (now known as the bends), several died, and the project had devastating effects on the engineers' lives. Still, after fourteen years, the Brooklyn Bridge was finished and became the longest suspension bridge in the world at the time and is still widely admired today. Megan Stine...