TY  - GEN
AU  - Sillett, Helen
TI  - The Search for Life on Mars
SN  - 9781410506016
PB  - Start to Finish Library
KW  -  Science
KW  -  Travel
KW  -  Space
KW  -  Alternate Formats
KW  -  Audio Book
KW  -  CD-ROM
KW  - Paperback
N1  - Start-to-Finish: Core Content (Blue) The Start-to-Finish Core Content collection offers age-appropriate, multi-format informational text to build comprehension skills for content mastery. The Start-to-Finish Blue Core Content books offer 4th-5th grade readability and each set contains a paperback book, a computer CD ROM book, an audio book and a reference guide. NOTE: A portable USB DVD writer is available for loan if your computer system does not have a CD/DVD drive. People have wondered about Mars for thousands of years. Mars is one of our closest neighbors in space, but it is a very mysterious place. In the past, many people imagined that there were living things on Mars. Others said that Mars was a dead planet. Has there ever been life on Mars? Is there life on Mars today? Spacecraft and telescopes are giving us new ways to answer these questions. In this book, you will find out how our ideas about Mars have changed as scientists have learned more and more about this mysterious planet
ER  -