Zusammenfassung der Ressource
Frage 1
Frage
The earth formed from...
Frage 2
Frage
The early atmosphere was missing...
Antworten
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carbon dioxide
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methane
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water vapor
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oxygen
Frage 3
Frage
Which of the following correctly describes formation of the layers of rock on earth?
Antworten
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silica sunk to the center, lighter materials like iron make up the crust
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iron sunk to the center, lighter materials like silica make up the crust
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hydrogen sunk to the center, lighter materials like iron make up the crust
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iron sunk to the center, lighter materials like nickel and uranium make up the crust
Frage 4
Frage
There are multiple theories on how the oceans form. Which of the following are theories that are still being considered? Pick all that are correct
Antworten
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comets hit earth over millions of years bring water and forming oceans
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a meteorite storm brought water inside of rocks that made it to the atmosphere and rained down to form oceans
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at the beginning water vapor escaped from cooling molten rock, condensed and fell as rain for millions of years. This forms oceans.
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the planet thea was covered in water and during the collision with the earth, it released its water to the earth.
Frage 5
Frage
The continents began shifting because of....
Frage 6
Frage
Banded(rusted) iron deposits are evidence that _______ is being produced by bacteria
Antworten
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water vapor
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oxygen
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carbon dioxide
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methane
Frage 7
Frage
The first supercontinent is called
Antworten
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pangea
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laurasia
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rodinia
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cambria
Frage 8
Frage
Which of the following had to be in place before life could move to land?
Antworten
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continents
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oxygen
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the ozone layer
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b and c
Frage 9
Frage
The earth is around _________ years old
Antworten
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4.5 billion
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10 billion
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3 billion
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100 million
Frage 10
Frage
The EON that the earth formed in is called the ....
Antworten
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Paleozoic
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Cambrian Period
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Precambrian
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Mesozoic
Frage 11
Frage
The moon was formed from...
Antworten
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the moon is a piece of the asteroid belt that drifting into earth's orbit
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gas and dust coming together at the formation of the solar system
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planet Thea collides with earth, the surface of earth is blasted off and forms the moon
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the moon used to be a part of Jupiter's system but was pulled into the earth's gravity.
Frage 12
Frage
We have a magnetic field because
Antworten
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the iron core of the earth spins inside out the outer, this spinning iron ball produces a magnetic field
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the minerals in the oceans create an electric field
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the earth spins, and the coriolis effect produces a magnetic field
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everytime we are hit by an iron meteorite our magnetic field grows stronger