Ocean Currents and Fresh Water

What are currents?

• rivers of water flowing through water

• wind creates currents

• currents flow clockwise

• currents are salty

Tags

NGSS.MS-ESS2-6

Wind and rain make different parts of the ocean have ________ amounts of salt.

• different

• same

• more

• less

Tags

NGSS.MS-ESS2-4

Very salty water is ______ and it pushes not so salty water out of the way.

• lighter

• heavier

• the same

• vast

What can make ocean currents (natural)?

• wind

• animals

• lights

• people

Tags

NGSS.MS-ESS2-6

In the northern hemisphere, currents move?

• clockwise

• counter-clockwise

• right

• left

Tags

NGSS.MS-ESS2-6

What do ocean currents carry from the bottom to the surface?

• minerals

• nutrients

• fish

• plankton

What do currents carry from the surface to the deep?

• nutrients

• minerals

• food

• animals

What Ocean contains the gulf stream?

• Pacific Ocean
• Indian Ocean
• Arctic Ocean
• Atlantic Ocean

Tags

NGSS.MS-ESS2-6

The currents set up by warm and salty water sinking and rising are called...?

• super saline

• thermohaline

• salty

• dense

Tags

NGSS.MS-ESS2-6

What does "haline" mean?

• salty

• warm

• liquid

• hollow