Objective: Relate density to the relative positioning of Earth’s atmosphere, water, crust, and...
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Transcript of Objective: Relate density to the relative positioning of Earth’s atmosphere, water, crust, and...
![Page 1: Objective: Relate density to the relative positioning of Earth’s atmosphere, water, crust, and interior.](https://reader038.fdocuments.net/reader038/viewer/2022110103/56649e2e5503460f94b1e691/html5/thumbnails/1.jpg)
Objective: Relate density to the relative positioning of Earth’s
atmosphere, water, crust, and interior.
![Page 2: Objective: Relate density to the relative positioning of Earth’s atmosphere, water, crust, and interior.](https://reader038.fdocuments.net/reader038/viewer/2022110103/56649e2e5503460f94b1e691/html5/thumbnails/2.jpg)
1. How did the solar system form?-Nebula-gas, ice and dust-Gravity pulled materials closer-Nebula shrank/flattened to a disk-Disk begins to rotate-Materials in center become dense from outside pressure.-Sun is formed
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![Page 4: Objective: Relate density to the relative positioning of Earth’s atmosphere, water, crust, and interior.](https://reader038.fdocuments.net/reader038/viewer/2022110103/56649e2e5503460f94b1e691/html5/thumbnails/4.jpg)
How did the Solar System Form?
-Nebula-gas, ice and dust
-Gravity pulled materials closer-Nebula shrank/flattened to a disk-Disk begins to rotate-Materials in center become dense from outside pressure.-Sun is formed
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2. What caused them to come together?
-Gravity is the force that every object exerts on all other objects because of their masses.
-Mass and distance are the factors.
GRAVITY Earth’s Structure, Lesson 1, Review, Personal Tutor, Gravity
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3.Which object has a stronger gravitational force?
A.
B.
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4. All four objects have the same mass. Which row has the weakest gravitational force between them?
A
B
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A
B
C
D
E
5. Which planet pair would have the greatest amount of gravitational pull between them?
6. Which planet pair would have the least amount of gravitational pull between them?
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7. Why does Earth exert a greater gravitational force on you than other objects like the sun?
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Earth has more mass than any object near you.
It exerts a greater gravitational force on you than other objects do.
You don’t notice the gravitational force between less massive objects.
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8. Which object in the solar system exerts the most gravitational pull on all the other objects, and why?
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The sun. It has the most mass of all the matter in our solar system.
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9. How are the planets shaped during Earth’s Final Formation?
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-Planets shape from remaining bits of material.
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-Earth formed as gravity pulled these small particles together-Particles stick in uneven shapes as they collide -The larger mass particles attracted more particles-Continued to grow large
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-Generated thermal energy inside from the surrounding pressure-Particles inside melt and flow-Gravity pulls in irregular bumps
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10. How were Earth’s layers created?-Collisions created a mass of solid particles-Thermal energy from within began to flow-Distinct layers formed based on Density-More dense toward the center, less dense toward the outside
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11. Relate the Earth’s formation by this experiment: Put an iron block and a pinewood block with the same volumes in a beaker of water. Which will float on the surface and which will be pulled through the water to the bottom of the beaker by gravity?
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-There is a stronger gravitational force between Earth and a denser object than there is between Earth and a less dense object.
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-When ancient Earth started melting, the densest materials sank and formed the innermost layer of Earth. -The least dense materials stayed at the surface and formed a separate layer. Earth’s Structure, Lesson 2, video, What’s Inside.
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Pulling it all together videoclip: Earth’s Structure, Lesson 2, Review, Personal
Tutor, Density
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CreditsAstronomy online
http://astronomyonline.org/SolarSystem/SolarSystemFormation.asp
Mail Onlinehttp://www.dailymail.co.uk/sciencetech/article-
2034667/Earths-gold-platinum-arrived-meteor-shower-lasting-200MILLION-years.html