Well, maybe your students won't ACTUALLY be eating rocks! But they will get to move through millions of years as they hear a story about how sedimentary rock is formed, and make their own "rock" from peanut butter and jelly.
I have used this activity for years, but I always had to change it. To my shock (read horror) every resource about “Peanut Butter and Jelly Geology” that I found said that students should “Make their sandwich any way they choose”. I don’t think so! I had already spent over $10 for supplies, I wanted to squeeze out any bit of learning I could from this activity. So, I made up a story that I read to students as they follow along. Students move through millions of years to see how sedimentary rocks are formed, how fossils get into rocks, and how layer after layer presses down to form a rock. Once the sedimentary rock (sandwich) is finished, the story continues as students cut their sandwich in half and learn about fault lines as they follow another 350 years of earthquake activity.
This freebie includes:
Two pages of directions
If you are interested in seeing the "Rocks and Minerals" product that this freebie comes from, click on the link below:
Rocks and Minerals: Task Cards and More!
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Eating Rocks: A Rocks and Minerals Freebie!
by Jan Bernard
is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License