

Curiosity en Marte
Informational (nonfiction) 1,268 words, Level W (Grade 4), Lexile 780L
Curiosity on Mars introduces readers to NASA's Curiosity rover and describes its mission: to discover if life ever existed on the Red Planet. The book explains how the rover uses satellites and other equipment to look for evidence of microscopic extraterrestrial life-forms on Mars and sends the information back to scientists on Earth. Photographs and diagrams accompany the text.