Ocean Currents

Researchers have used the paths of rubber bath toys spilled in the ocean to chart a better understanding of ocean ___________.

Tags

NGSS.MS-ESS2-6

90% of the water in the ocean moves as a result of what type of currents?

• surface currents
• deep ocean currents
• warm currents
• the gulf stream current

Tags

NGSS.MS-ESS2-6

Ocean currents fall into two main categories: deep ocean currents and __________ currents.

Tags

NGSS.MS-ESS2-6

True or False: The wind is responsible for the movement of some ocean currents.

• True
• False

Tags

NGSS.MS-ESS2-6

Surface currents are caused by what two factors?

• wind and rain
• wind and tides
• temperature and tides
• temperature and wind

Tags

NGSS.MS-ESS2-6

Which direction do currents rotate in the northern hemisphere?

• clockwise (right)
• counterclockwise (left)
• neither
• I don't know.

Tags

NGSS.MS-ESS2-6

As the Earth spins, air moving from the equator to the north pole is deflected ______________

• eastward
• westward
• north
• towards the equator
• none of the above

Tags

NGSS.MS-ESS2-6

Water holds onto heat _______ effectively than air.

• more
• less

Tags

NGSS.MS-PS3-4

Cold water is _________ dense than warm water.

• more
• less

Tags

NGSS.MS-PS1-4

True or False: When salty water freezes into ice, the salt gets left behind.

• True
• False