Oceanography

96.5% of the ocean is what?

• oxygen

• salt

• whale

• water

Tags

NGSS.MS-ESS2-4

What happens to the density of water when the temperature increases?

• Increases

• Decreases

• stay the same

Tags

NGSS.MS-PS1-4

Zone where there is a sharp difference in temperature between surface and deeper ocean water.

• Hadalpelagic

• Bathypelagic

• Thermocline

• Epipelagic

Tags

NGSS.MS-ESS2-6

Drifting plants in the ocean that form the base of the food chain.

• Phytoplankton

• zooplankton

• Benthos

• Nekton

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-3

Largest and deepest ocean.

• Atlantic

• Indian

• Arctic

• Pacific

Which of the following is not a nekton?

• Fish

• Whale

• Turtle

• Crab

It is where freshwater mixes with the sea water.

• Mesopelagic

• Estuary

• River

• Bathypelagic

Tags

NGSS.MS-ESS2-4

Why are coral reefs among the most diverse ecosystems on Earth?

• They are made or different corals

• Plants and animals live in the cracks and crevice of the coral reefs.

• They are present in all different parts of the seas.

• They form limestone islands.

Tags

NGSS.MS-LS2-2

What is one importance of upwelling?

• More nutrients for the organisms.

• Warmer water.

• No significant importance

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Sonar uses what waves to map the ocean floor?

• sound

• transverse

• electromagnetic

• tsunami

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-5