Past lessons

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Earth Materials 12/7 and 12/8

Today we:

Finish testing humus and clay
Zoom in on the hill

One dam’s story

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Claims

— Overflowed

— Went through the ground in the hill

— Dam broke

— Behind the hill

Agree / Disagree with any of these?




Earth Materials


A cross section of one of the hills we built


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How fast does water travel through different earth materials?


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Results


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Zoomed in view of earth materials

A large rock
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❓🗻Could the hill be made of some of these materials?


With a blue marker, try to trace a path from behind the dame to the town


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Dams
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