Technology Then and Now

by Cynthia O'Brien

Book Overview

Read about the invention of certain tools, and how they have been improved over time to become the technology we use today.

• Format: Library Binding
• Language: English
• ISBN: 0778762033
• ISBN13: 9780778762034
• Release Date: March 2019
• Publisher: Crabtree Classics
• Length: 24 Pages
• Weight: 0.50 lbs.
• Dimensions: 0.3" x 8.1" x 8.1"
• Age Range: 7 to 10 years
• Grade Range: Grades 2 to 5