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7th Grade Core
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Have you ever wondered how many licks it takes to get to the core of a giant jaw breaker? 1, 2,3Écrunch! 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. Drag your mouse over each link to find more information about each layer. Close the new window to return to this page.

Extension:

Make a poster, build a model and/or write in journal about what you have learned.

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

Review science lab 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 a photograph of you or your friends doing this activity? Send the photograph attached to an e-mail with the following information: the title of the activity, the URL (Internet address), and your name. Remember that no pictures can be used which show any student faces or has a student name on it.

Updated August 11, 2005 by: Glen Westbroek

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