The Earth- Oceans and Continents- 2 - Free MCQ Practice Test with solutions,

By circumnavigating the globe. Ferdinand Magellan undertook a daring journey by sea, circumnavigating the Earth and providing evidence that it is round.

Europe and Asia. These two continents together are referred to as Eurasia.

The moon was formed when a part of the Earth separated from it during its early formation.

Oceans are vast bodies of saltwater, and there are five major oceans on Earth.

Sea level. Heights, depths, and flying altitudes are measured from the sea level.

The Arctic Ocean is known for having large chunks of ice, known as icebergs, floating in it.

• The Arctic Ocean is the smallest of the world's five ocean basins.
• A polar bear walks on the frozen surface of the Arctic Ocean.

The ocean is a huge body of saltwater that covers about 71 percent of Earth's surface.

We would cross the Atlantic Ocean if we travel from Europe to New York as this ocean comes in between.

• As it does in the Arctic, the surface of the ocean around Antarctica freezes over in the winter and melts back each summer.
• Antarctic sea ice usually reaches its annual maximum extent in mid- to late September, and reaches its annual minimum in late February or early March.