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Earth as a Geoid (1.4)

8/29/2018

21 Comments

 
Central Question: Why is the earth's surface shaped like it is? What processes have caused it to be that way?

Guiding Thought Question: Why is it inaccurate to say that the earth is a perfect sphere?

Today's Learning Objective: Students will be able to explain the principles of erosion and how the earth is continually shaped. Students will take notes on the types of erosion and then conduct a map and field study to find evidence of different types of geomorphology
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21 Comments
Belter
8/31/2020 08:55:52 am

With erosion and gravity and all the fun sciencey stuff the earth is constantly changing

Reply
Lauren Sitzman
8/31/2020 08:58:48 am

The Earth is not a sphere because gravity is always compressing the Earth and it changes the shape over time.

Reply
Taryn
8/31/2020 09:00:56 am

Earth is always changing as it rotates because of force.

Reply
donovan smith
8/31/2020 09:04:42 am

i would say, long story short, erosion

Reply
Clare A Davidson-Sherman
9/1/2020 12:22:03 pm

Erosion chips away at Earth slowly taking bits out. Thus making it non spherical.

Reply
Danish :^/
9/1/2020 12:22:18 pm

Because earth has things like mountains, trenches, and elevations.

Reply
Robert Cardoza
9/1/2020 12:22:59 pm

Erosion and techtonic plates change the shape of the earth

Reply
Saxon
9/1/2020 12:23:06 pm

Erosion can create dips in the Earth, and the pushing of the tectonic plates can push certain parts of the Earth upwards.

Reply
Reegan
9/1/2020 12:23:32 pm

Because as the Earth rotates over time, the force of gravity changes and pushes on the Earth

Reply
Emily Tran
9/1/2020 12:23:57 pm

It would be inaccurate because of gravity, erosion, and the plates moving around

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Surprised
9/1/2020 12:25:35 pm

The north and south poles are flatter

Reply
Liam Helt
9/1/2020 12:26:16 pm

The earth cant be a perfect square because it has montains and different levels of the sea floor

Reply
Laura Nelsen
9/1/2020 12:26:38 pm

The earth is changing because of erosion, so it's not a perfect sphere.

Reply
Will Alexander
9/1/2020 12:26:49 pm

because there are different elevations on the earth and the earth is constantly being eroded away so it won't be perfectly smooth

Reply
Olivia Rosenthal
9/1/2020 12:27:21 pm

if it was a perfect sphere it would be smooth and not have any change in geography, but it does, it has mountains and valleys and erosion changes its shape

Reply
Marcus
9/1/2020 12:27:26 pm

The earth can’t be a perfect sphere, conditions like erosion, weathering, and human construction exist.

Reply
Aidan Anderson
9/1/2020 12:27:45 pm

The earth is not perfectly round because gravity, erosion, and the plates moving around.

Reply
Reagan Pumilia
9/1/2020 12:27:49 pm

The earth isn’t a perfect sphere because there are many landforms that change the earth’s shape, and erosion has changed the shape of the earth overtime as well.

Reply
claire nalty
9/1/2020 12:28:29 pm

The earth isn't a complete sphere because it has undergone natural processes like erosion

Reply
Annie Feden
9/1/2020 12:28:54 pm

The earth has different geographical formations like mountains and valleys, and natural weathering like erosion.

Reply
Emily Fleener
9/1/2020 12:29:07 pm

The earth is shaped like it is because over time it changed shape due to things like drifting and erosion.

Reply



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