Thermohaline circulation 1.0

Which type of water is MOST dense?

• cold

• warm

Tags

NGSS.MS-PS1-4

Which type of water is MOST dense?

• fresh

• salt

What is the correct order for the types of water (Least to most dense)

• cold fresh-cold salt warm-fresh-warm salt

• cold salt-cold fresh-warm salt-warm fresh

• warm fresh warm salt -cold fresh-cold salt

• warm fresh-cold fresh-warm salt-cold salt

Identify the process(es) that REMOVE fresh water

• melting ice bergs

• evaporation

• freezing

• precipitation

• surface run off from land

Tags

NGSS.MS-ESS2-4

Which processes decrease salinity?

• freezing

• melting sea ice

• precipitation

• surface run off from land

• evaporation

Which processes increase salinity?

• evaporation

• surface run off from land

• precipitation

• freezing

• melting

two ice cubes were melted in a tray of fresh water. Why did the two cubes form layers?

• they were the same density

• they had different colors of dye

• they had different amounts of salt

• they were frozen for different lengths of time

Tags

NGSS.MS-PS1-4

NGSS.MS-PS1-2

NGSS.MS-PS3-4

What term is used to describe the rapid change in temperature with depth?

• thermohaline circulation

• thermocline

• thermopolis

• temperature sink

Tags

NGSS.MS-ESS2-6

How does the mid-latitude temperature profile differ from the low latitude profile?

• low latitude profile is colder as it is near the pole

• low latitude profile changes more rapidly

• mid-latitude profile shows seasonal differences

• mid-latitude profile is generally warmer that low latitude profile

Tags

NGSS.MS-ESS2-6

Which water is LESS dense?

• yellow

• blue