Energy + Ocean Currents

Front

Two types of ocean currents are

Back

surface and deep

Front

Surface currents are mainly formed by and driven by the ______.

Back

Winds

Front

Regular movements of ocean water formed by density and are far below the surface, are called _________.

Back

Deep Currents

Front

Ocean water is more dense than fresh water at the same temperature due to differences in _________.

Back

Salinity

Front

Salt water is ____________ fresh water.

Back

more dense than

Front

Analyze the image. The red arrows represent warm water rising and the blue arrows represent cold water sinking. What type of heat transfer is responsible for this movement? Options: conduction, convection, radiation

Back

convection

Front

The Earth's greatest source of energy comes from the _________.

Back

Sun

Front

Water currents that flow from the equator to the poles move heat from warmer climates to colder ones are an example of which transfer of heat? Options: Conduction, Convection, Radiation

Back

Convection

Front

When a volcano erupts, hot molten rock can come to Earth’s surface. This lava burns or melts most things it touches. The lava is so hot it can set a tree on fire even if the tree is several feet away from it. This phenomenon is caused by the process of...

Back

Radiation

Front

On a sunny beach, the sand becomes hot enough to be uncomfortable to your bare feet. However, if a wave washes over the hot sand, the cooler water removes heat from the sand by the process of:

Back

Conduction