What would happen if you jumped into a tunnel that went straight through the center of the Earth?
That's exactly what Worry is about to find out! Her sister Hope has been kidnapped by a dragon and Worry is determined to bring her home. To do so, she'll travel from the center of her planet to the surface of a nearby moon, learning about gravity with help from the echoes of Aristotle, Kepler, Galileo, Newton, and Einstein.
Gravity: A Fairy Tale is part of the Fairy Tale Physics series. Each book begins with a story and includes explanations of the real-world physics for anyone who’s curious.
With over 35,000 copies sold worldwide, the Fairy Tale Physics series weaves foundational physics concepts into whimsical fantasy adventures for ages 9-12.
Written by a 20-year physics educator with degrees in physics and cognitive psychology.
Topics covered:
Newton’s Law of Universal Gravitation
Circles and Ellipses
How Orbits Work
Tides and Planetary Motion
Pendulums
Logical Reasoning and Syllogisms
A Short History of Gravity, from Aristotle to Einstein
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