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Edible Layers of the Earth Project

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Edible Layers of the Earth Project

If you are looking for a Layers of the Earth project, I have a really fun one for you. And, it’s an edible project, so that makes it even better!

We have been very slowly working our way through our Geography A to Z series at our house. This month we focused on the letter E and did and edible Layers of the Earth project. It was a favorite in the series so far since it way a delicious treat that we all enjoyed eating!

The book we have been using for this series is the Geography From A to Z book by Jack Knowlton. There was not actually anything in the book for the letter E, but since Earth starts with E, I just had to throw in an Earth project! Plus, I have been wanting to do a project with the Earth’s Core for a while.

How to Make the Edible Layers of the Earth Project:

What we made this time for our geography project was an edible Layers of the Earth project! We made The earth’s layers out of colored rice krispie treats and frosting. It was so much fun to both make and eat.

Edible Eath's Core layers of the earth project

 

To make the Earth’s Layers project, I started by making a regular batch of rice krispie treats.

Rice Krispie Treat Recipe:

1 10 oz bag of large marshmallows

1/2 a stick of butter (1/4 cup)

6 Cups of Rice Krispies cereal

Melt the marshmallows and butter in a large pan on the stove over median heat. Cook until fully melted. Stir it frequently.

Take the pan off of the heat and stir in the Rice Krispie cereal.

After I mixed it, I took out a small amount and tinted it red with food coloring (for the inner core). Then I took out another portion and tinted it orange (for the outer core). The rest I left the regular color (for the mantle).

Instead of putting the mixture into a rectangular pan like you normally would, we used a large round mixing bowl. Make sure to grease it first! It makes it much easier to get out.

Press all of the regular colored rice krispies into the bowl. I pressed them flat all the way to the edges.

Then I added the next layer- orange and pressed them to the edge as well, leaving a small well in the center to add the core. Press in the red Rice Krispies for the core.

Flatten them all down so they are flat on the bottom and flip the whole dome out onto a plate.

For the outer layer, or earth’s crust, I made frosting and tinted it to look like the earth with green food coloring. Then we used our blue sugar sprinkles to make the oceans. You could also do it with the two colors of frosting.

 

Earth geography project

Teaching the Layers of the Earth:

If you want to go into more detail to teach about the Layers of the Earth with your kids or students here are a few basic facts for you.

The earth has 4 layers, that are often divided up further into five layers.

The Crust is the outer layer. It has everything that we see on it- the land and oceans that are visible to us. It is the thinnest layer, anywhere from 3 to 44 miles deep. When you think of the size of our earth, though, that is equal to the skin of an apple!

The crust represented by the frosting and sprinkles in our project. (See our Tectonic Plates experiment for another activity about the Earth’s Crust!)

The next layer is the Mantle. This makes up the largest portion of our Earth’s volume (about 84%). It is divided into the upper mantle and and the lower mantle.

Nobody has ever reached the mantle so all we know is based on studies of seismic waves. But we know that the mantle is fluid and always in motion.

The Core also is divided into an inner and outer core. This is at the center of the earth. There is a solid inner core and a liquid or molten outer core. The temperature of the inner core is close to 10000 degreed Fahrenheit! It also rotates.

The outer core reaches temperatures as hot as the sun! This part of the earth is what the earth’s magnetic field.

Books to Teach the Layers of the Earth:

 

An amazing book to teach this concept further is The Street Beneath My Feet by Charlotte Guillain. My kids love this book!

We also love the Magic Schoool Bus Inside the Earth book by Joanna Cole

Nobody complained over doing this awesome Layers of the Earth project! I really love how it turned out. When you cut into it, it is so pretty.

Edible layers of the earth project

 

See the Past Posts in the Geography Project Series:

geography-projects

Geography Nesting Cans

A is for Atoll & Archipelago

B is for Beach & Bay

C is for Continent

D is for Delta

Check out a few more cool Earth’s Layer projects:

Layers of the Earth Pudding Cups from Left Brain Craft Brain

Lego Earth Layers from Little Bins for Little Hands 

Itsy Bitsy Christmas by Max Lucado
This is the Feast -Thanksgiving Story Sticks


13 Comments

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Itsy Bitsy Christmas by Max Lucado »

Comments

  1. Dusty@To the Moon and Back says

    November 20, 2013 at 8:27 pm

    This is a super cute idea! I’m going to pin it for future use!

    Reply
  2. Tina @ Tina's Dynamic Homeschool Plus says

    November 21, 2013 at 7:05 am

    Oh Karyn girl!!! lol,

    MY kind of geography!!

    Love your post today and for sure sharing it!!

    Reply
  3. Crystal @ Crystal's Tiny Treasures says

    November 21, 2013 at 3:03 pm

    My son would love this! He’s so interested in the earth’s core at the moment. I’ll show this to him in the morning. Have a great week!

    Reply
  4. Tonia says

    November 22, 2013 at 1:45 pm

    My daughter would love that – rice krispies and science – her two favorite things! Looks like a very fun project.

    Reply
  5. A Better Way To Homeschool says

    November 22, 2013 at 2:11 pm

    This is super cute! I am definitely pinning this for later. Anything that the kids can eat makes that much more of an impact!
    Thank you for sharing!!

    Reply
  6. Missy @ Dot-to-Dot Connections says

    November 23, 2013 at 1:34 pm

    I found your post at Bee Crafty Kids linky. I love it! What a great idea! My kids would love this! Thank you for sharing! Pinning 🙂

    Reply
  7. Ashley says

    November 24, 2013 at 3:23 pm

    This earth looks delicious! Thanks for sharing at Mom’s Library!

    Reply
  8. Natalie F says

    November 26, 2013 at 11:06 am

    Wow, brilliant! Thanks for sharing with Afterschool!

    Reply
  9. Olga @The EuropeanMama says

    November 26, 2013 at 11:11 am

    Wow, this is so awesome! Love the idea- simple and educational! A craft after my own heart!

    Reply
  10. Michelle Cannon says

    November 28, 2013 at 10:00 am

    This is so creative. Simple, creative, educational… and.. RICE KRISPIES! 😀

    Reply
  11. Helen @ Peakle Pie says

    November 30, 2013 at 7:00 am

    Thank you for sharing this on We Love Weekends last week. This is one we will try to do soon! We thought it was such a great idea that I have highlighted it on this week’s We Love Weekends on Peakle Pie. Looking forward to reading more of your posts on We Love Weekends soon!

    Reply
  12. jj says

    March 4, 2014 at 6:13 pm

    i searched edible earth pie and got THIS!!!!!!!!!!!

    Reply
  13. cayden da not bews says

    August 24, 2015 at 3:01 pm

    Im in loooove with da cake cake!

    Reply

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Hi! I'm Karyn.
I am a former teacher turned homeschool mom of four kids. I LOVE teaching! I believe learning should be enjoyable and engaging. My goal is to ease the burdens of educators by offering memorable learning activities.
Questions? Contact me here: karyn@teachbesideme.com
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