April 3, 2012

Crystal Egg Geodes

Crystal Eggs 3
We made these crystal egg geodes using egg shells, alum, glue, water, and food coloring. The directions are from Martha Stewart. I did not follow the directions very closely, as I did not want to take so long to finish the project, nor was I willing to spend the amount of money needed to buy enough alum to do six batches of these. So I doubled the growing solution recipe and then divided that evenly between six small mason jars. It worked just fine and we were very happy with the results. I would also like to mention that when we microwaved the solution to further melt the alum, it actually made more crystals form on the bottom of the container. So I recommend that you don’t microwave the solution.
Crystal Eggs 2
Crystal Eggs 4
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Posted by Maureen Sklaroff at 9:52 PM

14 comments:

  1. These are soooo neat! I can't wait to try this with my kiddo. Thanks for sharing this excellent idea at the Kid's Co-op.

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  2. Marci@TheHomeschoolScientistApril 13, 2012 at 12:51 AM

    I've seen this before but never tried it. You made it look easy and amazing! Can't wait to try this with our kids

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  3. Hi again! I just wanted to let you know that this post is one of the most clicked-on links at Teach Me Tuesday! Congratulations--it's featured today!!

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  4. AdventuresinHomeEducatingApril 13, 2012 at 12:51 AM

    Very cool! Thanks for sharing with BTT!

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  5. These look so cool!! Wow - Thanks for linking up to TGIF! Have a GREAT week,
    Beth =-)

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  6. It looks like you got very good results!

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  7. Learning Ideas -GradesK-8April 13, 2012 at 12:51 AM

    They look beautiful!

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  8. I was wondering if this REALLY worked! Looks like it does! Very cool!

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  9. Yes, thanks for asking! Feel free to pin away!

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  10. Those turned out quite nicely--the colors are wonderful! I'm adding this to my to-do list of crafts. Is it okay to pin from your blog?

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  11. Maureen, these are beautiful! What a fun craft and science project at the same time! Thanks for linking up at Teach Me Tuesday! I'm going to pin this, too!

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  12. Beautiful colors!! Thanks for sharing :)

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  14. These are so cool! What a great experiement - so many beautiful colors!

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