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4-H Canada Science Fair

Do you have a curiosity about the world around you?

The 4-H Canada Science Fair is an opportunity for you to explore, experiment, and discover! Through this program, 4-H youth plan, research, complete, and submit science fair projects, independently or as pairs, to be judged virtually, in the hopes of moving to our second round and ultimately to the Canada-Wide Science Fair.

The 4-H Canada Science Fair is open to 4-H’ers in grades 7 to 12 or enrolled in CÉGEP.

Registration for the 2022 4-H Canada Science Fair opens Sept. 1, 2021, and closes Jan. 14, 2022.

How does the 4-H Canada Science Fair work?

Either by yourself or with another 4-H’er, you’ll explore a topic of your choice to create your very own science fair project. Using your unique perspective on your project, you will plan, research, build, experiment, test, and analyze it before submitting it for judging. There are three rounds to the 4-H Canada Science Fair:

First Round

You’ll develop and submit your project online by Jan. 14, 2022, as part of the first round. Your project then will be judged virtually between Jan. 15 and Feb. 7, 2022.

Second Round

If your project is successful in the first round, you’ll move on to the second round as a finalist, with virtual judging, fun activities, and guest speakers, taking place from March 3-7, 2022. During the second round, three winners and their projects will be chosen.

Canada-Wide Science Fair

The three winners and their projects will be entered into the virtual Canada-Wide Science Fair, taking place May 16-20, 2022, where they will compete against the best and the brightest from across Canada!

Developing your 4-H Canada Science Fair project

What interests you? Is there something you would love to test or invent? Do you have a question that you want to explore? Whatever it is, the sky is the limit for your 4-H Canada Science Fair project!

Additional resources to download:

You can also access support from our Youth Programs Manager, Megan Van Massenhoven, who can answer any questions you might have when building your project. You can email Megan at mvanmassenhoven@4-h-canada.ca with your questions.

Finding a mentor to help you with your project

You can use a mentor to help you develop your science fair project! A mentor can be anyone who can support you in developing your project. It could be a teacher, a parent, a 4-H club leader, a senior 4-H member, or a professional working in a field related to your project. A mentor can help you with the challenging parts of your project, like reviewing your work, meeting local experts in your field, or securing a workspace or access to a science lab.

Download the Mentorship Package to access a mentor invitation template, the Mentor-Member Code of Conduct, and information for teachers.

Start your registration early

Be sure to start your registration as soon as you can, even if you don’t have a project topic in mind. The registration form will help walk you through each step you need to complete for your project. Don’t worry, you can save your registration and come back to it at any time. Registration closes on Jan. 14, 2022, at 11:59 PM ET.

Looking for inspiration?

Take a look back at past 4-H Canada Science Fairs and projects:

2021 4-H Canada Science Fair
2020 4-H Canada Science Fair
2019 4-H Canada Science Fair
2018 4-H Canada Science Fair

2017 4-H Canada Science Fair
2016 4-H Canada Science Fair

We’re looking for Science Fair judges! Are you a leader in science, technology, engineering, agriculture, or mathematics? Share your expertise with 4-H youth and help build another generation of science enthusiasts! 
If you are interested in judging the 4-H Canada Science Fair, check out our judging opportunities.

Thank you to our partners