Science in the Seasons: Classroom Connections for Fall Observances

September is full of opportunities to spark curiosity and connect science learning to the real world. From cleaning up coastlines to exploring seasonal changes in the sky and even imagining future space missions, this month’s observances give educators authentic ways to bring STEM events into the classroom. Each event invites students to see how science connects them to their communities, their environment, and their future.
Dive into Environmental Science
International Coastal Cleanup Day (September 20, 2025) invites millions worldwide to work together to keep our oceans clean. Educators can build connections to EarthComm by using data-tracking tools like the CleanSwell® app, creating classroom posters, or organizing a local cleanup. Pairing real-world action with classroom learning empowers students to see how science contributes to solving global challenges. [Learn More]
National Public Lands Day (September 27, 2025) is another opportunity to connect learning with stewardship. Field trips to nearby parks, soil testing, or biodiversity surveys let students apply their scientific inquiry skills while giving back to the environment. [Learn More]
Explore the Sky and Seasons
The Fall Equinox (September 22, 2025) offers a natural moment to investigate Earth-Sun relationships. Classroom activities might include charting daylight hours, modeling seasonal shifts, or even exploring how other planets experience seasons. [Learn More]
Just a couple of weeks later, World Space Week (October 4-10, 2025) offers another chance to inspire students by looking beyond our own planet. Recognized by the United Nations and celebrated around the globe, this week highlights how space science and technology shape our lives and our future. In the classroom, it’s the perfect opportunity to connect seasonal sky observations to bigger conversations about space exploration, satellite technology, or even careers in aerospace. [Learn More]
Celebrate Science Culture and Play
Science isn’t just about data, it’s also about creativity, curiosity, and joy. The International Day of Scientific Culture (September 28, 2025) celebrates the role science plays in cultures worldwide. Educators might explore science communication projects, host student-led science “fairs,” or highlight diverse voices in STEM. [Learn More]
Meanwhile, the Worldwide Day of Play (September 27, 2025) reminds us that hands-on play sparks discovery. Building wind-powered toys, launching paper rockets, or designing scavenger hunts can turn STEM learning into joyful, active exploration. [Learn More]
Bonus: Reach for the Stars
Looking ahead, NASA is now accepting proposals for the 2026 Student Launch Challenge. This competition invites student teams to design, build, and launch rockets while tackling real engineering design challenges. It’s a perfect way to connect classroom learning to ambitious, project-based STEM opportunities. [Learn More]
Wrapping Up: Make September a Launchpad for Celebrating STEM
September’s observances are more than dates on a calendar, they’re invitations to engage students in authentic, meaningful science. Whether cleaning up coastlines, observing the equinox, celebrating scientific culture, or preparing rockets for launch, these events show students how STEM connects to their everyday lives and future possibilities.