Why is the Sky Blue?

Back to Cover
see sample pages

Why does the earth spin? How is a rainbow formed? Feed the flame of curiosity in your child, and find out the answers to some of those age-old questions about how the world works.


  • Critical thinking
  • Investigation
  • Observation

Common Core

Digital Workbook (PDF)34 pages5.2 MB

Purchase Individually

Buy Now - $4.99
Get unlimited workbooks, worksheets, games, and more with an Education.com Plus or Pro subscription. Learn More