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4-H Canada Science Fair

Meet the 2021 4-H Canada Science Fair Finalists!

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! As part of our 4-H Canada Science Fair, 4-H youth plan, research, complete and submit science projects, independently or as pairs, to be judged virtually, in the hopes of moving to our in-person 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 2021 4-H Canada Science Fair closed on Jan. 24, 2021. 

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 4-H Canada Science Fair project. You’ll plan, research, build, experiment, test, analyze and do whatever it takes to complete your science fair project.

First Round

You’ll develop and submit your project online as part of the first virtual round. Your project then will be judged between Jan. 25 to Feb. 1, 2021. 

Second Round

If you are successful in the first round, you’ll move on to the second virtual round, with judging taking place from March 1 to 7, 2021. 

Canada-Wide Science Fair

The five winners and their projects will be entered into the virtual Canada-Wide Science Fair, taking place May 17 to 21, 2021, 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.

You have access to resources and support from our Programs Team who can help with any questions you might have about your 4-H Canada Science Fair project.

Here are some resources you’ll need:

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 works to support you as you develop your 4-H Canada Science Fair project. Whether it’s a teacher, a parent, a 4-H club leader, a senior 4-H member, or a professional working in Science & Technology, a mentor can help you with the challenging parts of your project.

Mentors could help you with things like:

  • Securing workspace (like access to a science lab)
  • Helping you meet local experts in the field of your project
  • Reviewing your work, asking questions, or encouraging you

Whether you are a 4-H Canada member or a possible mentor, make sure to complete the Member-Mentor Code of Conduct.

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.

Look back on past 4-H Canada Science Fairs and projects

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

Thank you to our partners