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Hello Scholars, In today's lesson, you will make hypotheses and investigate the causes of canyons. You will also observe a demonstration showing how canyons are formed.  You may want to create your own model of a canyon using cornmeal. You can drip water over this “land” to observe how water can change its shape and to understand how, over long periods of time, canyons can be formed through a similar process.  If you look closely at the photo below you will notice my family and I exploring a canyon in Sedona, Arizona.

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Essential Question:  What's strong enough to make a canyon?
Tap the image below to play the video.

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Here are two more experiments to try with your cornmeal "land."

If you store your cornmeal "land" in a sealed food storage container, it will keep for at least two months without going bad. If it's soggy, add cornmeal. If it dries out, add water.

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Here are two more experiments to try with your cornmeal "land." If you store your cornmeal "land" in a sealed food storage container, it will keep for at least two months without going bad. If it's soggy, add cornmeal. If it dries out, add water.

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Essential Question: What's strong enough to make a canyon?
Tap the image below to watch the demonstration.

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Step 3:  Watch "How are slot canyons formed?"

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Step 3:  Watch "How are slot canyons formed?"

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Essential Question: What's strong enough to make a canyon?
Tap the image below to play the video.

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Essential Question: What's strong enough to make a canyon?
Tap the image below to watch the wrap-up video.

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Here are two more experiments to try with your cornmeal "land."

If you store your cornmeal "land" in a sealed food storage container, it will keep for at least two months without going bad. If it's soggy, add cornmeal. If it dries out, add water.

# data[].attributes.attachment_link.description
Here are two more experiments to try with your cornmeal "land." If you store your cornmeal "land" in a sealed food storage container, it will keep for at least two months without going bad. If it's soggy, add cornmeal. If it dries out, add water.

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Click your teacher's name to open your assignment.
Rederscheid's class click here.

Sandoval's class click here.