Why are surface currents at the surface of the ocean?

warmer temperature & less salinty

colder temperature & more salinty

What creates the air pressure difference between the equator and the poles?

The amount of direct sunlight each area receives

What causes wind to blow?

Differences in air temperature and pressure

What causes warm air to rise?

The fact that it's less dense than cold air

The fact that it weighs more than cold air

The fact that it has higher pressure than cold air

The fact that it's more dense than cold air

What can you infer about the water at the surface of the ocean, compared to the water hundreds of meters below?

Surface water tends to be warmer

Surface water tends to be saltier

Surface water tends to be denser

Surface water tends to be calmer

This is an image of how upwelling occurs. Upwelling is important to organisms because...

upwelling brings nutrients to the surface of the ocean to support the growth of phytoplankton and zooplankton.

when local wind patterns blow along the north west coast, they cause local surface currents to move away from the shore.

upwelling causes warm water to flow to the British Isles and creates a mild climate there.

What factors create deep ocean currents?

Increase in salinity; decrease in temperature

Increase in salinity; increase in temperature

Decrease in salinity; decrease in temperature

Decrease in salinity; increase in temperature

What is the initial source for global winds and convection in the atmosphere?

Unequal heating of the Earth by the sun.

The global movement of air occurs in convection cells. In general, how does air move?

from areas of higher pressure to areas of lower pressure

From areas of lower pressure to areas of higher pressure

from areas of higher temperature to areas of lower temperature

from areas of lower temperature to areas of higher temperature

currents

Authored by Darrell Steely

Physics

KG - University

NGSS covered

Used 21+ times

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51 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What force guides the movement of deep currents?

density differences

wind

Coriolis Effect

continental barriers

Tags

NGSS.MS-ESS2-6

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The horizontal movement of ocean water that is caused by wind and occurs at or near the ocean's surface is a(n) _________________.

density current

surface current

turbidity current

Tags

NGSS.MS-ESS2-6

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The two categories of ocean currents are _____________________.

salinity, temperature

density, temperature

surface, deep

freshwater, saltwater

Tags

NGSS.MS-ESS2-6

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Cold ocean currents generally come from

The North Pole

The South Pole

The Equator

Both A and B

Tags

NGSS.MS-ESS2-6

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Two types of water currents are

local and global

sea and land

surface and deep

warm and cold

Tags

NGSS.MS-ESS2-6

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Ocean currents have an affect on which two things

climate and weather

temperature and density

land and sea

equator and poles

Tags

NGSS.MS-ESS2-6

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Temperature affects this greatly

color

density

chlorine

thermocline

Tags

NGSS.MS-ESS2-6

NGSS.MS-PS1-4

NGSS.MS-PS3-4

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currents

What force guides the movement of deep currents?

The horizontal movement of ocean water that is caused by wind and occurs at or near the ocean's surface is a(n) _________________.

The two categories of ocean currents are _____________________.

Cold ocean currents generally come from

Two types of water currents are

Ocean currents have an affect on which two things

Temperature affects this greatly

The amount of dissolved solids present in the water

Surface currents are a result of

Deep Ocean currents are a result of

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