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2nd Grade Science
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Past lessons
Earth Materials 12/7 and 12/8
Today we:
Finish testing humus and clay
Zoom in on the hill
One dam’s story
🗣️
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
⌛
How fast does water travel through different earth materials?
📈
Results
/
https://safeshare.tv/x/ss61b10b32aafdc
/
PERMEABILITY_360p.mp4
🔎
Zoomed in view of earth materials
A large rock
❓🗻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
Dams
https://montage.bertschi.org/?a=58311&d=00506AA
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