You are now leaving the HMH FYI website. HMH is not responsible for the content of third-party websites.


Cancel OK

MENU
  • Grades
    • Grade 6
    • Grade 7
    • Grade 8
    • Grade 9
    • Grade 10
    • Grade 11
    • Grade 12
  • Topics
    • Arts & Entertainment
    • Culture & Society
    • Current Events
    • Health & Medicine
    • Historic Figures
    • History
    • Opinion
    • People
    • Science & Nature
    • Sports
    • Technology
  • For Argument’s Sake
  • Reading Tips
FYI LOGO: Click to Return to Homepage

6-12

Blue Ocean

Just How Big Is the Ocean?

Source: Smithsonian Ocean Portal

The ocean covers 71 percent of the Earth’s surface. What lies beneath this vast space? How important is the ocean to human life, and how might our day-to-day life be impacting the condition of the ocean?

This entry was posted in Nature at Work and tagged Science & Nature on May 1, 2016 by annettebrennan.

About annettebrennan

Learning Architect with Houghton Mifflin Harcourt.

View all posts by annettebrennan →

Post navigation

← All Systems Go for NASA’s Mission to Jupiter Moon Europa 5 Fears Mentally Strong People Face Head-On →

FAS

For Argument's Sake

Should you limit your use of social media?

VoteSee Tips

Tips for Reading NonfictionSee Tips

Need help reading the websites, speeches, and articles featured on this site? Use these core strategies to tackle even the most complex informational texts.
6-12
6-12
seprator
Copyright © 2025 Houghton Mifflin Harcourt. All rights reserved.
  • Terms & Conditions of Use
  • Photo Credits
  • Contact Us