Ignite the spark of curiosity in your students

Dive into a world where knowledge comes to life, theories are tested, and young minds are inspired. The Canada-Wide Science Fair (CWSF) is more than just a STEM project competition – it’s a celebration of curiosity, innovation, and the next generation of Canadian scientists.


9:00am - 2:30pm
May 30 - 31, 2024


Carleton University
Ottawa, Ontario


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The Canada-Wide Science Fair (CWSF) is the country’s largest annual youth science, technology, engineering and mathematics (STEM) event, bringing together top young scientists and their projects, selected by our national network of over 100 regional STEM fairs in every province and territory.

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José-Manuel Gil
    José-Manuel Gil

    Science Odyssey – Powered by NSERC

    This is one of the most important annual events in Canada, bringing together thousands of kids interested and engaged in STEM.

      Kelsey Knoblauch

      Grade 6 Teacher, SK

      My students were SUPER eager to engage in the CWSF activities this week!

      STEM Expo Exhibitor
        STEM Expo Exhibitor

        Perimeter Institute for Theoretical Physics

        Our Power of Ideas team couldn’t say enough about what an amazing experience it was interacting with the students. They were so engaged.


          Grade 6/7 Teacher, ON

          For my Grade 6/7 class, exploring the science fair projects in Project Zone and STEM Expo was a welcome addition to our remote learning science curriculum.


            Grade 5/6 Teacher, AB

            I was blown away by this experience! The quality of projects was amazing and my kids absolutely loved it!

            Experience STEM like never before!

            Empower the future of STEM by immersing your students in the pinnacle of young Canadian innovation. The lessons they learn here extend far beyond the classroom.

            Why bring your class to the CWSF?

            Canada-Wide Science Fair is a transformative experience for students & educators alike. Did we say? It’s FREE to visit!

            Real-world STEM in action

            Students will witness their peers from across the country showcase groundbreaking projects, transforming abstract concepts into tangible solutions.

            Inspire curiosity

            Attending CWSF can motivate your students to explore STEM beyond the curriculum, sparking questions, fostering creativity, and instilling a lifelong love for learning.

            Embrace discovery

            Your class will have the chance to engage with leading STEM organizations, seasoned educators, and budding young scientists, expanding their horizons and cultivating their curiosity.

            Visit us in-person

            If you are an educator with students in Grades 5-9, we would love to have you visit the fair. We’ll even help cover the cost of a bus to get you here!

            • Project Zone – Visit top STEM projects by grade 7-12/Cégep students from across Canada
            • STEM Expo – Discover STEM educational institutions and STEM-focused companies
            • Activities – Explore the event through a Scavenger Hunt game
            • YSC Presents – Watch amazing STEM presentations

            A subsidy of up to $250.00 per bus is available to eligible schools, on a first-come, first-served basis. In 2023, Youth Science Canada approved over 200 bus subsidy requests, financially supporting over 10,000 visiting students and their teachers to visit CWSF 2023 in Edmonton.

            CWSF 2024 bus subsidy requests must be made by March 1, 2024. Schools selected to receive funding will be notified no later than March 29, 2024.

            Explore virtually

            If you aren’t able to visit us in Ottawa in-person, we encourage you to explore the Canada-Wide Science Fair virtually from home or school.

            From the Virtual CWSF Lobby, you will have access to:

            • Project Zone – Visit top STEM projects by grade 7-12/Cégep students from across Canada
            • Activities – Download the Scavenger Hunt game
            • Main Stage – Join us on Thursday, May 30 for the Awards Ceremony and on Friday, May 31 for Meet the Winners.

            Come for an hour, stay for the day, or spend all week with us – it’s up to you.

            –> Virtual CWSF Lobby opens on May 27

            Bring your class to Canada's largest youth STEM event!

            Register now and be the beacon guiding your students to the forefront of scientific discovery! Don’t let your class miss out on this unforgettable experience.

            Register your class today!

            Space is limited, and hundreds of educators are gearing up to bring their students to this illuminating event.

            Still have questions about visiting CWSF?