Ocean Currents

Ocean Currents

By Stefan Mejia-Ott

Multiple Choice

What happened when the green saltwater mixed with the clear freshwater?

• The saltwater sank to the bottom

• The saltwater rose to the top

• The saltwater stayed in the middle.

Multiple Choice

The green saltwater sank because it is

• More dense than the freshwater

• Less dense than the freshwater

• As dense as the freshwater

The water in the ocean is always moving.

Some currents are surface currents while other currents are much deeper.

Multiple Choice

The water in the ocean is always _______.

• Dancing

• Moving

• Waving

Multiple Choice

Some currents are surface currents while others are _________

• Sleeping

• More Shallow

• Deeper

Surface currents are usually caused by the wind.

Currents are also caused by the rotation of the Earth called the Coriolis effect.

Multiple Choice

Surface currents are caused by _____________.

• Mr. Ott

• The Wind

• The Sky

Multiple Choice

Surface currents are caused by _____________.

• The rotation of the Earth

• Mr. Ott's riddles

• The ocean

The Coriolis Effect causes currents to flow clockwise in the northern hemisphere.

It also causes currents to flow counterclockwise in the southern hemisphere.

Multiple Choice

Currents in the northern hemisphere flow

• Clockwise

• Counterclockwise

• To the Movies

Multiple Choice

Currents in the southern hemisphere flow

• Clockwise

• Counterclockwise

• To the stars

Deep ocean currents are caused by a number of things including changes in the temperature and salinity (how salty the water is).

Multiple Choice

Deep ocean currents are caused by

• Temperature and Salinity

• Fries and Ketchup

• The Sun and the Earth