Homeschool Science Subject

Christmas Science Experiment: Borax Crystal Snowflakes

Even if you take a break from formal homeschooling during the holidays, it’s still easy to help your kids keep learning! How about this fun science project/experiment?

Important Note: At the bottom of this article, you’ll find a Christmas Giveaway! We are happy to be participating in a giveaway of $500 in PayPal cash for TWO families this Christmas! After you read all about how to make Borax crystal snowflakes, we hope you’ll enter the giveaway. 

Have you ever heard of making snowflakes out of Borax and pipe cleaners? If not (or even if you have!), keep reading to find out how. It’s lots of fun, and it’s a great way to spend some time being creative with your kiddos and learning something fun at the same time!

Christmas Science Experiment: Borax Crystal Snowflakes

This Christmas science experiment takes a little while, but it’s worth it to wow your kids with how Borax makes crystals out of pipe cleaner ornaments. It’s a little like how the Word of God makes us more sparkly—if we stick with it!

crystal ornaments

Materials

crystal star ornaments

Preparation

  1. Shape various Christmas ornaments using pipe cleaners. For example, shape pipe cleaners into a stocking, star, or cross. Note: The shapes must fit into the jars.
  2. Tie a string to the top of the ornament.
  3. Fill jars with hot water.
  4. Add three tablespoons of Borax per cup of water that you added to each jar. Mix it well. (For example, if you use 3 cups of hot water in your jar, you’ll need 9 tablespoons of Borax for that jar.)
  5. Lower the string so that the ornament is completely covered. Then tie the string around the top of the open jar to keep it in place. Note: You’ll want to be sure the ornament isn’t touching the edges of the jar.
  6. Leave the ornaments in the water overnight.
  7. The next day, the Borax will have crystallized in the water and become attached to the pipe cleaner ornaments.


Explanation

Borax is an example of a crystal. Salt, sugar, and Epsom salts are other examples. Hot water molecules move away from each other. When you add Borax, the molecules make room for borax crystals to dissolve. But a point of saturation can be reached, meaning there will be some remaining crystals. As this water cools, the water molecules move closer together again. Crystals begin to form and build around another item in the water, such as the pipe cleaner. This is especially true as the water evaporates.

Discussion

The Borax crystals are a little like God’s Word. We can read the Bible, and it doesn’t seem to make much difference in our lives—not right away. But the Word of God sinks in slowly. We have to have patience. Our walk with the Lord is life-long. Philippians 1:6 says you should be “confident of this, that he who began a good work in you will carry it on to completion until the day of Christ Jesus.” Someday we can be assured of being complete–like beautiful snowflakes–if we read God’s Word regularly. Even though we might look like plain old pipe cleaners while we’re reading at first!

Christmas Giveaway

2020 has been quite a year! It’s definitely a year we won’t forget! But I’m thankful we’ve made it to the holiday season, and my prayer is that we can take some time for gratitude, togetherness, and celebration. To celebrate the holiday season (and the fact that 2020 is coming to an end!), we’ve teamed up with some of our favorite bloggers for the 7th annual Christmas Blessings Giveaway with hopes of making this holiday season memorable (in a good way) by giving two families $500 in PayPal cash.

While we wish we could bless many more families, we were able to come up with a big prize for TWO families – $500 each (delivered via Paypal) – that we pray will make a big difference in their lives this Christmas season – whether it’s to fulfill their kids’ Christmas wishes, pay off some bills, or to help build some savings, our prayer is that it helps to lessen any financial burden and/or fills a specific need, or simply brightens the winners’ day.

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The giveaway will run from Monday, November 16th through Wednesday, November 25th (ends at 11:59pm EST). The winner will be notified by email shortly after the giveaway ends and will have 48 hours to respond to claim the prize or another winner will be drawn. You must have a Paypal account to win.  By entering this giveaway, you agree to be added to the email lists of the participating bloggers.  Please be sure to read the Rafflecopter terms and conditions upon entering.

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About the author

Wendy

Wendy is one of the owners of Hip Homeschool Moms, Only Passionate Curiosity, Homeschool Road Trips, Love These Recipes, and Weird, Unsocialized Homeschoolers. She married her high school sweetheart, Scott, 29 years ago, and they live in the South with their three children. Hannah, age 25, has autism and was the first homeschool graduate in the family. Noah, age 23, was the second homeschool graduate and the first to leave the nest. Mary Grace, age 17, is the remaining homeschool student. Wendy loves working out and teaching Training for Warriors classes at her local gym. She also enjoys learning along with her family, educational travel, reading, and writing, and she attempts to grow an herb garden every summer with limited success.

50 Comments

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  • Mary-Kate,

    I’d like to do this, but is there any way to seal the crystals to the pipe cleaner so that they can last? Hairspray, maybe? Do you know? (I’m not a crafter!) I’m assuming the crystals will easily fall off.

    Beautiful object lesson to go with it.

    Thanks,
    Becky

    • Becky, I’m not much of a crafter either, but I did make one of these with my daughter recently. The crystals actually hold quite firmly to the pipe cleaners. At least ours did. It was almost like rock candy. I don’t know if these ornaments would be suitable for storing and using the next year, but I think they’ll be fine for using this season. And they’re inexpensive to make, so you could just make more next year. 🙂

      • I can’t wait to try this but I am wondering about doing it with our Sunday School children but we wouldn’t be there the next day.

        • I do this every year with my kindergartners and we have left them in the solution over the weekend and they do just fine. It is a really cool project and the kids are always amazed. You just have to make sure that the water is either boiling or very close to boiling or the crystals will not form. Good luck!

      • I tried this with my class yesterday and looked this morning and nothing happened!! They are going to be so disappointed. What did I do wrong?

        • Oh no! I’ve tried it several times, and it has worked very well every time. I’m very sorry it didn’t work correctly for you! (One of the times I tried it was when I made the ornaments that are shown in the photo at the top of the post.) Did you make sure the Borax was completely dissolved? And did you use pipe cleaners? It works much better with pipe cleaners or some kind of yarn or string that has a lot of texture. Also, you might want to try adding more Borax than the recipe calls for. I don’t see how it could hurt to use more than the recipe calls for. When I did mine, it only took a few hours for the crystals to start forming, so you might want to try it again at home tonight and then do it again with your class first thing in the morning–or even this afternoon if you have time. I hope it works better for you next time!

  • I want to try these but don’t have the borax. I wondered if you’ve tried them with Epsom salt or salt or sugar? Has anyone tried to make colors? Maybe drop some food coloring in one to try?

    • yes that would work with any kind of crystal. you can add food coloring and even flavoring if you want – but sugar is the only one you would want to eat..

  • MAYBE. Use a clear acrylic spray paint in light coat? I would try this outside not just for ventilation but also not sure what type of reaction it might cause. I an an artist but not a chemist! Lol!

  • I love this idea! I especially like the discussion part. You could go on to add that when we allow God’s word to work in our lives, we can then shine for him, like the crystal snowflakes shining from the tree. Definitely doing this one. My girls will love it!

    • Okay, not sure what I did wrong, but it didn’t work for me. Any suggestions? I used a qrt. sized mason jar. Was that too much water for the 3 tbsp. of Borax? I used really hot tap water and stirred in the borax. I tied the pipe cleaners on to the string so that it was suspended in the jar.
      Please let me know how to fix it because it’s a totally cool idea.
      Thanks!

  • Thank you for sharing these instructions. I am making them with my elderly patients. They will love to have these hanging in their Windows. I will also make then with my granddaughter and use your teaching. Thanks again!

  • Borax is somewhat toxic if injested, and is listed as toxic on the box. Very young children are tempted to put this sort of item in their mouths, as it looks like candy. Just use common sense and instruct age appropriate children.

    • Yes, all science experiments should be supervised (whether they contain toxic substances or not) when young children are present. Thanks for the reminder!

    • Christy, I honestly don’t know if the containers have to be glass or not. I’ve always used glass. I apologize for not being able to answer your question! I would suggest just giving it a try and seeing what happens. 🙂 Then maybe you can come back and let us know how it went!

    • If you do, it’s possible that they will “grow” together. It would have to be a pretty big jar with plenty of room between them. But honestly, I wouldn’t recommend it. I would rather not take a chance on having to break them apart and ruining them.

    • Hi Jan,

      Maybe you didn’t give it enough time. Or it could have been that your solution didn’t have enough borax in it. The crystals don’t actually freeze–they form slowly over time. Depending on the concentration, the crystals could take hours or perhaps longer to form.

      Hope this helps!

  • We love these. We had the girls shape their pipe cleaners into their names about 3 years ago and they are still doing great. They love their crystal names.

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