Science Sampler: The Sweet Earthby: Aaron Spurr and Lisa Johnson

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This activity compares different kinds of candy to the different types of rocks based on direct observation. A great number of geologic processes either take unimaginable lengths of time to complete, or happen in places that cannot be directly observed, such as under the Earth's crust. It is, therefore, necessary for an Earth science teacher to find a connection between students' experiences and the geologic process they are studying to help them better understand that which is often unobservable. One Earth science topic with a tendency to be beyond the reach of direct observation for students is rock formation.

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Reviews (3)
  • on Fri Jan 14, 2011 10:17 PM

I enjoyed reading this article, it provided another wonderful idea that students would love. I loved the multiple suggestions about how to use the activity.

Nikki T
Nikki T

  • on Wed Dec 29, 2010 8:53 PM

This article is a good way of teaching students rock formations. It also incorporates students favorite past time which is food!!. THis is definitely a winner. Great Ideas for Student Engagement

LeRoy A
LeRoy A

  • on Fri Mar 23, 2012 11:39 AM

Students have difficulty identifying different kinds of rocks for many reasons. This activity provided in this article is based on an article from the Geological Society of America called “If You Bite a Rock”. Students learn to classify rocks by their physical description. The original article provides more comparisons but this article is just as good. I do not advocate food in the science classroom for safety and for motivation but for someone who does this could be a fun activity. With this said the reader must also consider the cost of this activity depending on the number of students you teach per day.

Adah  (San Antonio, TX)
Adah (San Antonio, TX)

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