Some planets are cold, dark, and lifeless. Not Earth! Our world is full of light, heat, and motion. What makes the difference? Energy! Energy flows through growing plants and blowing winds. It powers your body and the machines you use each day. Discover how the sun's energy travels to Earth and how it is stored and used by living things. Learn why heat in our atmosphere is rising and what people can do to control it.
In Science Masters: Earth's Place in Space, readers will learn about Earth’s place in the Milky Way and the larger universe, and how humans are learning about the endless frontier of space. Living on a world as vast as Earth, it can be easy to forget that our planet is just a tiny speck in a massive universe filled with planets, moons, stars, asteroids, comets, dark matter, and maybe even alien life!
In Spacecraft, readers will be introduced to the evolution of spacecraft technology over time, and peek into the possibilities for the spacecraft of tomorrow. This fact- and photo-filled text explains how engineers deal with the challenges of reaching and working in space.
Daring and Dangerous: Space Explorers for grades 4–8 introduces young readers to the complex world of space exploration and the famous firsts, near misses, and disasters that have taken place. The fact- and photo-filled pages of this 32-page book offer readers an opportunity to learn what it takes to be a part of this daring and dangerous profession, from lift-off to landing.
Los fenómenos naturales y las actividades humanas causan cambios y consecuencias en la Tierra. En el libro se explican desde el punto de vista científico y se sugiere lo que se puede hacer para reducir las consecuencias de estos cambios.
With real-world examples of science at work, this book introduces the solar system and benefits of space exploration.
This book presents facts about spacecrafts and offers step-by-step instructions on drawing a variety of them.
This introduction to outer space explains the size of the planets in the solar system, measuring distance in astronomical units, gravity, and related math concepts.
El libro muestra cómo las matemáticas ayudan a los científicos a entender el espacio, el tamaño del sistema solar y las condiciones en otros planetas. Las matemáticas hacen posible, en gran parte, la exploración espacial.
This book describes the eight planets, dwarf planets, and other objects in the solar system.
Take an in-depth look at astronomy and space in this science encyclopedia.
This book presents a collection of questions, answers, and facts about the planet Earth, including its origin, continents, and relation to the Sun and Moon.
If you could, would you travel to Uranus? Let this book make you an astronaut and take you on a space trek there!
If you could, would you travel to Venus? Let this book make you an astronaut and take you on a space trek there!
If you could, would you travel to Pluto and other dwarf planets? Let this book make you an astronaut and take you on a space trek there!
If you could, would you travel to Saturn? Let this book make you an astronaut and take you on a space trek there!
If you could, would you travel to the Sun? Let this book make you an astronaut and take you on a space trek there!
If you could, would you travel to the Moon? Let this book make you an astronaut and take you on a space trek there!
If you could, would you travel to Neptune? Let this book make you an astronaut and take you on a space trek there!
If you could, would you travel to Jupiter? Let this book make you an astronaut and take you on a space trek there!
If you could, would you travel to Mars? Let this book make you an astronaut and take you on a space trek there!
If you could, would you travel to Mercury? Let this book make you an astronaut and take you on a space trek there!
If you could, would you travel to the Asteroid Belt? Let this book make you an astronaut and take you on a space trek there!
If you could, would you travel away from Earth? Let this book make you an astronaut and take you on a space trek there!
Are flying objects piloted by aliens or an active imagination? This book first tells what spotters see and encounter, and then explores UFOs without the extraterrestrial element. Young readers get to wonder about aliens. Will they choose to believe in another form of intelligent life?