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The Egg -Speriment

This post was orignally on my WHL blog from 2011 but I wanted to share it with all of you as well.  It is one of our TOP science experiments and I plan to do it again this year since the kiddos are older.

Last week was our first full week of school for the year.  I decided it would be fun to start the year off with a new and interesting science project.  I found just what I was looking for at Super Teacher Worksheets, the Transparent Egg.

The Egg-Spearament by Where He Leads, We Follow

It was really a fun experiment.  First, I gathered the materials needed.
1 egg, vinegar, clear bowl

Then I had each child hold the egg and answer some questions for me about the egg.
1.  What shape is the egg: oval
2. What color is the egg: brown
3. How does it feel: round -S
like a ball-N
4. What do you think is going to happen to the egg when we put it in the vinegar?: It will turn white.
5. Tell me about vinegar.: It stinks!!!
So I had N place the egg in the bowl and then S covered it with vinegar…
You will notice that the egg will float a bit, I guess that is normal.  Ours stopped floating day 2.  Pay no mind to the discoloration on the egg.  It was -eh, hmmm- dirty! 🙂
We left the egg on the shelf for 24 hours and came back to observe and rinse off the vinegar.  Then we recovered the egg in the vinegar just as directed…
The egg was pretty funky looking at this point.  I could feel that the shell was disolving.  NEAT!!!
We left the egg in the vinegar on the shelf for 24 more hours and came back to find it like this…
I then rinsed the debris from the egg and LOOK!  you can squeeze it!
And it bounces back!
And when you hold it up to a flash light you can see the yolk floating in there…
If you try out this EGGsperiment I would love to hear about it.

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