• More than a Program, It's a Philosophy

    FOSS bridges the gap between research and practice through engagement.

    Learn How It Works
  • Classroom Tested Solutions for
    Teaching Science & Math

    Delta Education has been your leader in hands-on science education for over 30 years.

    Explore Our Solutions
  • FOSS Next Generation Wins Curriculum of the Year!

    FOSS is a proud recipient of the 2016 REVERE Golden Lamp Award from the Association of American Publishers for Best Whole Curriculum Program.

    See All Awards

More than a Program, It's a Philosophy.

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Over 25 years of research brings you the best in hands-on learning.

FOSS programs for elementary and middle school students bring science to life through active investigation. Much more than a collection of activities, FOSS seamlessly integrates hands-on science exploration with reading informational texts, writing in science notebooks, interactive technology, and embedded assessment to develop a deep and lasting understanding of science.

Which Edition is Right for You?   

Quality. Value. Convenience.

Accept nothing less than genuine FOSS & DSM replacement parts.

Delta Education is the only place to shop for Original Equipment Manufacturer (OEM) parts,
hand-selected by the developers of FOSS and Delta Science Modules.