Presents an introduction to the way animals are classified, discussing Linnaeus's taxonomy, the different phyla of the animal kingdom, and the characteristics that the animals in each phylum have in c
Presents an introduction to the Earth, discussing the atmosphere, hydrosphere, and geosphere; describing the ways they are being damaged by humans; and suggesting things people can do every day to hel
Presents an introduction to the solar system, discussing the Sun, planets, the Earth, dwarf planets, asteroids, meteorites, comets, and constellations.
"This book takes a look at what a space home might look like and what it would take to live on Mars--the Red Planet (or any other place in space, for that matter). From the Mars ice home of the future
"How was the solar system created? Why are the Sun and Moon the same size in the sky? These are just some of the questions answered in this exciting book about our seemingly endless solar system. Read
"Oumuamua is a space rock that formed around another star. Of the 10,000 space objects that have hurled past our Sun, this rock provides some proof that there are planets similar to Earth outside our
"How soon can you board a rocketship to Mars? And how will you survive when you get there? There are so many challenges to overcome in sending a human into space, such as problems of distance, fuel, a