Canada-Wide Science Fair

Ignite the spark of discovery 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.


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!

            Visiting Educators & General Public

            Are Welcome!

            Two days of school and public viewing welcome visitors who engage with the finalists about their projects and also experience STEM Expo – interactive and inspiring exhibits featuring ideas and opportunities in STEM.

            Visit us in-person

            Experience STEM like never before – join us for the Canada-Wide Science Fair at Carleton University, ON from May 30-31, 2024.

            Project Zone

            Explore top STEM projects by grade 7-12/Cégep students from across Canada

            STEM Expo

            Discover STEM educational institutions and STEM-focused companies

            YSC Presents

            Watch amazing presentations and see STEM in action


            Experience the event through a Scavenger Hunt game and expand your horizons

            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!

            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.

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

            Still have questions about visiting CWSF?