Koontz 
Our Place in Space [PDF ebook] 

In Our Place in Space, students will learn about Earth’s role and place in the universe including topics like origin theories of the planets, measuring light years, composition of the atmosphere, and much more. Readers will love discovering new information in this chapter book while also reinforcing learned skills with comprehension and extension activities. The Let’s Explore Science series allows readers to dive into the world of fascinating science-related topics while strengthening reading comprehension skills. Each 48-page title features full-color photographs, real-world applications, content vocabulary, and more to effectively engage young learners.