Extraterrestrial: Past, Present, and Future

From the Set 21st Century Skills Library

Our solar system is more than six billion years old. Scientists believe there was life on Mars four million years ago. Many people on Earth believe they are the only life forms in the universe but, with millions of undiscovered planets out there, can that really be true? Find out how life began on Earth, how far humans have come in a short period of time, and how we might measure up to other worlds. Includes 21st Century Skills and Content, sidebars, activity, table of contents, index, and glossary.

Format List Price Your Price Qty
$32.07 $22.45
$14.21 $9.95
$32.07 $22.45
$49.21 $34.45
Interest Level Grade 4 - Grade 8
Reading Level Grade 5
Dewey 576.8/39
Lexile 820L
ATOS Reading Level
Guided Reading Level X
Language English
Publisher Cherry Lake Publishing
Available Formats Reinforced book (9781668909850), Paperback (9781668911457), PDF (9781668914632), ePub (9781668913048), Hosted ebook (9781668917817), Kindle (9781668916223)
Copyright 2023
Number of Pages 32
Dimensions 7 x 9
Graphics Full-color photographs

Author: Mari Bolte

  • Chapter 1: We’re Not Alone
  • Chapter 2: Learning from the Past
  • Chapter 3: Making a Connection
  • Chapter 4: Who Are You?
  • Chapter 5: Findings in the Future
  • Activity
  • Learn More
  • Glossary
  • Index
Activities for further learning
Author/Illustrator biography
Glossary of key words
Informative sidebars
Table of contents
Full-color photographs