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Science Fair Project Ideas

science fair project ideas that will win 1st place

Are you in the market for some science fair project ideas? Well, hopefully this post will have you covered.

These twelve science experiments encourage children to test, tinker with, experiment, hypothesize, and evaluate various properties and phenomena.

Science Fair Project Supplies

Most of our favorite science experiments involve everyday, household supplies because they’re easy to come by and relatively safe for children to use. You’ll see that these science fair project ideas use materials like gummy bears, dish soap, food coloring, chocolate syrup, sand, lemons, eggs, celery, oil, Alka Seltzer, vinegar, plastic bags, pencils, salt, cotton balls, seeds, and candy.

You can find a complete list of our recommended science project supplies here, where you’ll find our favorite beginner microscope, kids’ safety glasses, and pipettes.

Links to each of the science fair projects can be found below the block of photos. This post contains affiliate links.

Science Fair Project Ideas | TinkerLab

Growing Gummy Bear Experiment, TinkerLab

Elephant Toothpaste, Preschool Powel Packets

Kitchen Science: What Will Freeze First?, No Time for Flash Cards

Make Magic Sand, Paging Fun Mums

science fair project ideas for kids

Sink or Float Lemons, One Perfect Day

Crystal Egg Geodes (and the must-have ingredient for this project), TinkerLab

Make a Lava Lamp, Hands on as we Grow

Colorful Celery Experiment and Capillary Action, TinkerLab

science fair project ideas

Melting Ice Experiment, The Chaos and the Clutter

Magical Plastic Bag Experiment, TinkerLab

Grow Beans on Cotton Balls, The Imagination Tree

Dissolving Peeps Experiment, Mom to 2 Posh Lil Divas

Bonus: 10 Tips for a Fab Science Fair Board

10 Tips for a Great Science Fair Board | TinkerLab

Thanks to Handmade Kids Art for the excellent article on how to create a successful science fair board: 10 Tips for a Rockstar Science Fair Board

More Engaging Science Projects and Experiments

Click here for our extensive list of biology, engineering, technology, physics, geology, and chemistry projects for young children that are easy, fun, and kid-tested.

30 Fun Science Projects for Kids

30 Fun Science Projects for Kids is our go-to list for summer fun, science exploration, and inventive thinking.

men love to wonder and that is the seed of science emerson

Which of these have you tried?

If you’ve tried any of these science fair project ideas, would you leave a quick comment? I know that our other readers would love hear about your experiences.

And, if you have a favorite science fair project that’s not listed here, will you share it in a comment? We’d love to make this a valuable resource for our readers like you!

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20 Comments

  1. Thank you so much for featuring our Magic Sand in this round up! I’ll be sure to share it on our Facebook Page this week :). Louise x
    Paging Fun Mums

  2. Thanks for including our rockstar Science board tips! Great ideas in this post involving household materials. We can’t wait to try some.

  4. I love this collection!! Thank you so much for including our elephant toothpaste!!

  5. Bring on the science fair projects!!

  6. “Thank you for the blog. I really liked the way you explained about the science project. I have been also buying my science project kits for my project from Prayog India and there you will find many varieties of kits. For more information visit at https://www.prayogindia.in/
    “

  7. “Thank you for the blog. I really liked the way you explained about the science project. I have been also buying my science project for my project from Prayog India and there you will find many varieties of kits. For more information visit at https://www.prayogindia.in/
    “

  8. i like this article for my school projects. i am also making the list of science fair projects idea for my next year college projects. This list of projects is very good ideas for science student and college student.
    I saw one list of projects in creativity buzz. They also give a brief idea about science fair projects. you can check it here….https://www.creativitybuzz.org/science-fair-projects/

  9. It is so nice to see guys/girls sharing science fair projects for kids. Balloon, lava, baking soda, and other materials are common in science projects. Keep sharing the good ones.

  10. These ideas are so cool can’t wait to try the elephant toothpaste

  13. Balloon, lava, baking soda, and other materials are common in science projects. Keep sharing the good ones.

  15. I look forward to seeing your new posts every day. I think many people like your post. Thanks for sharing these remarkable things. Please continue to uphold!

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