World of Physics

From the force of gravity to the three laws of motion, learn how the fundamental forces and laws of the universe affect every aspect of our world. Uncover the secrets of magnets, nuclear power, and ballistics, and meet the great thinkers in history who learned to harness these forces. Extraordinary photos and real-world examples invite readers to discover the world of physics, while final comprehension questions engage them to check what they have learned.

From black holes and dark matter to multiple theories of time, scientists have discovered many mysterious forces in the universe. Learn how the universe began, why planets orbit stars, and how gravity can make things move faster or slower. Meet the great thinkers and scientists who have studied where our universe came from and where it's going. Extraordinary photos and real-world examples invite readers to discover the world of physics, while final comprehension questions engage them to check what they have learned.

From the nuclear forces holding atoms together to the electricity that powers our homes, everything in our universe is buzzing with energy. Where does that energy come from, and how do people harness it? Discover the secrets of atoms, radiation, electricity, and circuits, and meet the great thinkers who made these discoveries possible. Extraordinary photos and real-world examples invite readers to discover the world of physics, while final comprehension questions engage them to check what they have learned.

Light and energy moves throughout our universe in waves. Those waves can be used to heat our food, send messages across great distances, and even learn about the distant past of our universe. Uncover the secrets of radios, lasers, telescopes, and light, and meet the great thinkers who made these discoveries possible. Extraordinary photos and real-world examples invite readers to discover the world of physics, while final comprehension questions engage them to check what they have learned.