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Cookie Moon Phases


I've seen these cookie moon phases before (click here for a description of the activity on Science Bob's Blog) and wanted to share my "Moon Phase" cookie story.


After seeing these online I thought it would be fun to do it in class as part of our Astronomy unit. I decided to make these at home. They turned out adorable. Then I decided to eat them (justifying that I would let my kids eat them in class :) It quickly became apparent that 8 Oreo cookies was way too many to eat (I definitely felt queasy). I went back to the online directions and found out that I was suppose to use "mini Oreo cookies" (which made much more sense).



A note of caution, the mini Oreo cookies may not be as cost effective with large groups of children (when I taught middle school I had 80+ children). It is definitely cheaper to buy the generic chocolate sandwich cookies. I would just provide a snack or sandwich baggie so the kids could take the leftovers home.
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Clutter-Free Classroom said…
What a fun and yummy idea!!!

❤Jodi from...
★★The Clutter-Free Classroom★★
Helping Teachers Get Organized
August 20, 2011 at 4:38 PM
Mrs. Space Geek said…
I have done this activity for many years with second grade. It is one of my favorite ways to reinforce moon phases after teaching it. I too felt that the mini Oreos were the way to go. Always had enoughbleft overs for an aftervschool snack.
August 29, 2011 at 8:12 PM
lezlie said…
This is a great idea, however the first and third quarter moons are mislabeled. The waxing "half" moon is the first quarter moon. The waning "half" moon is the third or last quarter moon.
September 3, 2011 at 10:27 PM
Mrs. K. said…
ha! I guess I've never read the directions, either (just loved the pictures), because I never noticed you're supposed to use the mini cookies. Glad you said something about it here. I'll teach 500 students (the entire school) in my K-4 science position next year. I wanted to do this activity with at least a couple of grades, but that could mean way more money from my pocket than I'm willing to spend. Hmm.... Thanks for the food for thought (pun intended). :)

~Mrs. K. from The Teacher Garden Blog
July 20, 2012 at 6:09 PM
Unknown said…
Eight Oreo cookies is too many? I eat them by the sleeve! Ha ha.
Wouldn't the smaller ones be harder to do, though? Maybe we will try partners.
October 7, 2019 at 4:07 PM
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