• About CEF
    • Our Work
    • Our Impact
    • Supporters
    • Board of Trustees
    • Our Staff
    • Work at CEF
    • Contact Us
  • Programs

      • The Challenge

      • About the Challenge
      • Timeline
      • Challenge Locations
      • Team Coordinators
      • Student Resources
      • FAQs
      • Previous Winners

      • Adventure Guides

      • Download CEF Adventure Guides™
      • Adventure Guide Videos

      • Essential Elements

      • Career Conversations

  • What’s New
    • Press Room
    • In The News
    • Summer STEM Snapshots
  • Get Involved
    • Sponsor The Challenge Program
    • Donate as an Individual
    • Donate as a Company
    • Donor-Advised Funds
    • Volunteer

Photos of the 2015 National Challenge Now Online!

Share
  • July 2, 2015

You can relive the excitement of the 2015 National Challenge on our Facebook page, where we’ve posted hundreds of photos from the event! Here’s just a taste:

Donate

Help us pursue our mission of Creating Exciting Futures in STEM by igniting a passion for science in K-8 students.

Donate Now

Learn

Click the button below to stay in touch with CEF through our e-newsletter.

Sign Up

Connect

  • Presenting
  • Olin
  • Trailblazer
  • Brenntag
  • Innovators Sponsor
  • American Fuel & Petrochemical Manufacturers
  • Hawkins
  • LyondellBasell
  • Ambassador
  • Third Coast
  • Allies
  • WIC
  • Advocate Sponsor
  • Shell
© 2025 CEF
| Website Credits
  • Contact Us
  • Privacy Policy
  • Terms of Use

How would you like to donate?