Exploring Earth's Early History

What is the name of the supercontinent that existed during Earth's early history?

• Pangaea

• Gondwana

• Laurasia

• Rodinia

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NGSS.HS-ESS1-6

Which gas was most abundant in Earth's early atmosphere?

• Oxygen

• Nitrogen

• Carbon Dioxide

• Methane

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NGSS.HS-ESS1-6

Describe the process by which Earth's early atmosphere was formed.

• Volcanic outgassing released gases from the Earth's interior.

• Photosynthesis by early plants produced oxygen.

• Comets brought water and gases to Earth.

• Solar winds stripped away lighter gases.

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NGSS.HS-ESS1-6

Explain how the presence of stromatolites provides evidence for early life on Earth.

• They are fossilized remains of early plants.

• They are layered structures formed by microbial activity.

• They are mineral deposits from ancient seas.

• They are remnants of early volcanic activity.

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NGSS.HS-ESS1-6

What was the primary source of heat that contributed to the differentiation of Earth's layers?

• Solar radiation

• Radioactive decay

• Gravitational compression

• Tidal forces

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NGSS.HS-ESS2-3

Analyze the impact of the Late Heavy Bombardment on Earth's geological history.

• It caused the formation of the first oceans.

• It led to the extinction of early life forms.

• It created many of the craters seen on the Moon.

• It resulted in the formation of Earth's core.

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NGSS.HS-ESS1-6

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Which of the following best describes the Hadean Eon?

• A time of stable climate and abundant life.

• A period marked by intense volcanic activity and meteorite impacts.

• An era of significant glaciation and ice ages.

• A time when dinosaurs roamed the Earth.

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NGSS.HS-ESS1-6

How did the formation of Earth's magnetic field benefit early life?

• It provided a source of energy for photosynthesis.

• It protected the atmosphere from solar winds.

• It increased the planet's gravitational pull.

• It facilitated the movement of tectonic plates.

Evaluate the role of cyanobacteria in the development of Earth's atmosphere.

• They consumed oxygen and released carbon dioxide.

• They produced methane, contributing to the greenhouse effect.

• They released oxygen through photosynthesis, altering the atmosphere.

• They were the first organisms to utilize nitrogen fixation.

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NGSS.HS-ESS2-7

What evidence supports the theory of plate tectonics in Earth's early history?

• The presence of similar fossils on different continents.

• The discovery of ancient meteorite impacts.

• The alignment of Earth's magnetic field.

• The distribution of volcanic islands.

Tags

NGSS.HS-ESS1-6

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