Oceans Part 1

What major ocean do we live near?

• Pacific

• Atlantic

• Indian

• Southern

Why does the ocean get colder the deeper you go?

• No more sunlight

• Less salt

• More Fish

• Cleaner water

Seawater is typically denser than freshwater due to seawater's __________.

• lower freezing point

• smaller mass

• greater depth

• higher salinity

The high salinity of the Mediterranean Sea is due primarily to _______________.

• evaporation

• precipitation

• deposition

• freezing

Why does sea ice formation cause the water to have a higher salinity?

• The water and salt both freeze

• The water freezes but the salt doesn't

Tags

NGSS.MS-PS1-2

What drives surface currents?

• Wind

• Changes in density

Tags

NGSS.MS-ESS2-6

What causes surface currents to be deflected and form circular gyres?

• Convection Currents

• Conduction

• Coriolis Effect

• Hurricanes

Tags

NGSS.MS-ESS2-6

NGSS.MS-ESS2-4

True or False: Upwelling is when warm surface water is blown away and replaced with cold nutrient-rich deeper water that rises to the surface.

• True

• False

Tags

NGSS.MS-ESS2-6

True or False: El Nino and La Nina are caused by changes in the strength of tradewinds. Upwelling occurs with La Nina and downwelling occurs with El Nino.

• True

• False

Tags

NGSS.MS-ESS2-6

NGSS.MS-ESS2-5

What drives deep ocean currents?

• Winds

• Changes in Density

Tags

NGSS.MS-ESS2-6