We will be performing scheduled maintenance on the site beginning Friday, Feb. 24th at 6:00 CT. to the morning of Monday, Feb. 27th at 8:00 am CT. During this maintenance period, the site is still accessible but may perform slower than expected. We apologize for any inconvenience this may cause.
Welcome to FOSSweb
The Full Option Science SystemTM website
FOSSweb is the official website of the active-learning science program, FOSS. Explore resources for educators and engaging activities for students and families.
To get started, log in or visit as a guest. Students may visit as a guest, or use the class login if you have one.
Learn more about the FOSS active learning philosophy, how it helps your students learn to think like scientists, and why FOSS is the right choice for your school.