Teacher Site Map
7th Grade Core
USOE Science Home Page
Have you ever wondered how many licks it takes to get to the core of a giant jaw breaker? 1, 2, 3 crunch! The earth is in some ways like a giant jaw breaker. It is composed of several layers: the atmosphere, water, the crust, the mantle, and the core.
Extension: Make a poster, build a model, and/or write in your journal about what you have learned.

To reinforce this new knowledge, try the "Lets Build the Earth" activity on the next Sci-ber Text page.

Review science safety rules here.

Get the plug-ins: Get Adobe Acrobat Reader , and Get Quicktime Player. (The Quicktime plug-in is needed to play sounds and movies correctly.)

Want to share photos of you or your friends doing this activity? Send it in an e-mail with the following information:

  1. The title of the activity
  2. The URL (Internet address)
  3. Your name.

Remember that no pictures can be used that show student faces or student names on it. 

Teachers should view the Teacher Site Map to relate Sci-ber text and the USOE 7th grade science core.

Updated October 24, 2008 by: Glen Westbroek

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