Description: Through thrilling experiment showdowns between charismatic characters, this book explains scientific theories and terms found in upper elementary and middle school textbooks in an easy and entertaining way. It also covers scientific principles, making it perfect for boosting kids' curiosity and interest in science. In particular, the included 'experiment kit' allows readers to try out the science covered in the book firsthand, ensuring that learning goes beyond simple memorization to hands-on, high-impact experience. This series will be a great friend to kids who already love science, and a wonderful science teacher to those who find it challenging. Chapter 1: The Distance Between You and Me Science Point: The History of Life on Earth Home Experiment: Making Our Family History Building Earth's Internal Structure Chapter 2: Like Salt That Brings Out Flavor Science Point: Electrolytes and Non-electrolytes, Salt Electrolyte Experiment Scientists Who Changed the World: Nicolaus Steno Chapter 3: The Accident That Shook the Competition! Science Point: How to Handle Safety Accidents During Experiments Science in History: The Five Mass Extinctions Chapter 4: Remember Today! Science Point: The Definition of Amber Fossils Classroom Experiment: Excavating Fossils from Rock Layers Chapter 5: A New History Science Point: Making Amber Fossils Experiment from the Competition: Making an Amber Fossil Chapter 6: The Final Experiment Science Point: Making Copper Sulfate Crystals Core Notes: Geological Time An unexpected accident shakes up the competition! This can't be how it ends! With 'salt' announced as the topic for the third final round, both Saebyeok Elementary and Mirae Elementary dazzle the crowd with experiments reflecting all their hard work. Saebyeok Elementary successfully builds on an experiment tied to cherished memories with Teacher Gaseol, taking it to the next level. But just as Mirae Elementary nears the end of their experiment, an unexpected accident brings the competition to a halt. Teacher Gaseol, who happens to catch the broadcast, is overwhelmed by a flood of long-suppressed longing for the children upon hearing the news of the accident. Meanwhile, Eric finds himself caught in deep confusion between a plot to save Teacher Gaseol and his friends on the Hanbyeol Elementary experiment team. Can they make it through this era of chaos and write a new history? The dynamic evolution of Saebyeok Elementary, as unpredictable as the changes of Earth itself, and Eric's inner conflict between necessity and friendship unfold in Volume 22 of Tomorrow's Experiment King.