A big question—could an earthquake shake the whole world? Earthquakes are powerful events that reveal fascinating secrets about our planet, thanks to seismologists the scientists who study them! Discover how seismic waves travel at incredible speeds, cutting-edge technology helping scientists predict earthquakes keeping us safe, the ways earthquakes can uncover hidden treasures beneath Earth's surface. Beautifully bound with stunning illustrations, part of a unique and collectable series that will start a lifelong interest in science. With QR code links to the Big Question Answered website for comprehensive free educator resources and fun kids’ pack. Science can change the world!