TedTalk - Global Ocean Conveyor Belt - 5.3

TedTalk - Global Ocean Conveyor Belt - 5.3

Open Ended

What do conveyor belts do?

Open Ended

What do you think the Global Ocean Conveyor Belt does?

Open Ended

What did researchers use the rubber ducks to get a better understanding of?

Multiple Select

What are the sources that ocean currents are driven by? (check all that apply)

• wind

• tides

• changes in water density

• rotation of Earth

Multiple Choice

The two main categories of ocean currents are _____________ and ____________.

• surface currents ; tidal ocean currents

• surface currents ; deep ocean currents

• deep ocean currents ; top currents

• deep ocean currents ; super ocean currents

Fill in the Blank

The top _____% of the ocean is moved by surface currents.

Fill in the Blank

Deep ocean currents move the other _______% of the Earth's water.

Multiple Select

What are surface currents driven by near the shore? (check all that apply)

• salinity

• density

• wind

• tides

Fill in the Blank

The major force behind surface currents in the open ocean is __________.

Multiple Choice

What is the name of the pattern of big loops that surface currents form all over the Earth?

• gyros

• gravity

• gyres

• global ocean conveyor belt

Multiple Choice

What is the cause of these rotating big loops?

• Earth's rotation (Coriolis Effect)

• Earth's gravity

• jet stream

• Gulf Stream

Multiple Choice

What is the name of the vertical current where cold, salty water sinks and warmer water rises?

• thermodynamics

• surface currents

• thermohaline circulation

• salinity

Multiple Choice

The circulation of deep water and wind driven surface currents combine to form what?

• global sea movement

• global ocean conveyor belt

• global ocean currents

• ice formation

Fill in the Blank

As water moves from deep within the ocean, it brings _________ to the surface to help nourish and feed organisms.

Fill in the Blank

It could take a drop of water a ________ years to make the full trip around the global ocean conveyor belt.

Open Ended

Imagine the Earth stopped rotating! What would happen?

Fill in the Blank

Deep ocean currents are driven primarily by the _______of sea water.

Open Ended

Why are scientists worried about rising sea temperatures and the global ocean conveyor belt?

Open Ended

How do you think ocean currents affect weather globally?