Oceans!

The bottom of the ocean is just flat.

• true

• false

Tags

NGSS.MS-ESS2-2

What is the most common salt found in sea water?

• sodium

• chloride

• sulfate

• borax

Tags

NGSS.MS-PS1-1

What percent of the ocean's water is salt?

• 1%

• 3.5%

• 97%

• 24%

Which of the following contribute to the saltiness of the ocean?

• runoff from rivers and streams

• living organisms in the ocean

• precipitation

• factories dumping waste in the ocean

How is a hydrothermal vent different from a volcano?

• hydrothermal vents release mineral water and volcanoes release magma

• they are pretty much the same - no differences

• hydrothermal vents make the ocean saltier while volcanoes do not

• hydrothermal vents are much cooler than volcanoes so they don't erupt as much

Where can hydrothermal vents be found?

• only in the Pacific Ocean

• all along the Mid Ocean Ridge

• only near underwater volcanoes

• Anywhere on Earth

Tags

NGSS.MS-ESS2-3

Why was the discovery of hydrothermal vents so remarkable?

• They showed us a new life form that we didn't know existed

• They explained how the sea floor was spreading

• They explained how the ocean got salty

• They helped us discover how deep the ocean really is

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-1

The 3 main zones of the ocean are:

• Euphotic, Bathyal, and Abyssal

• Upper, Middle, Lower

• Primary, Secondary, Tertiary

• Alpha, Beta, Delta

Tags

NGSS.MS-ESS2-6

What is the deepest part of the ocean that we know of?

• Challenger Deep

• Mid Ocean Ridge

• Off the coast of Hawaii

• Sienna Deep

Tags

NGSS.MS-ESS2-3

Which of the following is a topographical map?

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