Presents information about the planets of the solar system, including what they are made of, their size, the length of their years and days, and where they are in relation to one another.
Presents information about the Sun, including its place in the solar system, its structure, its size, how it produces heat and light, and how its gravity affects the solar system.
Presents information about the stars, including how they are formed, how they are grouped into constellations, how they group to form galaxies, and how they can end up as supernovas.
Describes the gear and training needed to scuba dive, and the reasons why people scuba dive, including to rescue others, fix underwater pipes, search for sunken treasure, or for pure recreation.
"Could a city stay lost and empty for 400 years? One did! It is called Machu Picchu. The Inkas built it high on a mountain. Who were the Inkas? How did they build such a grand empire? And why did they leave their city? Explore the hidden wonders of Machu Picchu in search of the answers."--Provided by publisher.
This series is the perfect introduction to the universe. Correlated to the science curriculum, simple text and full-color photographs help young readers understand the objects they see in the sky. Readers will learn why stars twinkle and shine, why the Moon appears to change shape, and an easy way to remember the names of all the planets.