Learn the science behind the fun of amusement parks in this fact-tastic nonfiction Level 3 Ready-to-Read, part of a series about the science of fun stuff!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 themselves to see what they’ve learned!