Where Did Our Oceans Come From?

What makes Earth different from every other planet in the solar system?

• Earth is the only planet known to have enough water to support life.

• Earth has the most moons of any planet.
• Earth is the largest planet in the solar system.
• Earth is the only planet with rings.

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NGSS.MS-ESS2-4

When Earth was born, approximately 4.5 billion years ago, what could we say is true about the surface of the Earth?

• Water was abundant everywhere

• Animals were abundant everywhere

• There was no water to be found

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NGSS.MS-ESS2-4

As Earth cooled, one of the gases that erupted was ​ (a)   which rose to create (b)   . These structures ​ (c)   and create ​ (d)  

• steam
• clouds
• condense
• rain
• smoke
• fog
• freeze
• snow
• haze
• mist

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NGSS.MS-ESS2-4

About 1/2 our water came from rain. Where did the rest come from?

• Groundwater and surface water sources.
• Desalination plants
• Comets, from space

• Bottled water imports

Tags

NGSS.MS-ESS2-4

The video describes the water in our oceans as coming from two primary places. Name those two places.

(It's ok if you want to rewatch the video to help you answer this question)

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NGSS.MS-ESS2-4