A Walk Through Time

Preparing the Site

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	The Walk Through Time site, looking westward, before construction began.
	An aerial view of the proposed Walk Through Time design.
	A scale model of the proposed Walk Through Time design.
	Sixth graders learn about the Cambrian Period "explosion" of life.
	Eighth grade Earth Science students worked outside - even on pajama day.
	Walking to the Walk Through Time site before the pavement was installed.
	The first rock delivery.

Students research information on the first boulder that was delivered, an igneous rock called andesite.

	Students cut templates of different shapes to help decide what the shape of the geologic plaques should look like.
	Red flags marked the Walk Through Time path as "ground breaking" time nears.
	As construction is about to begin, students wonder how to move the first boulders from where they were delivered to their final location on the path of the Walk Through Time.

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