Earth and Ocean Quiz

What percentage of the Earth's surface is covered by the ocean?

• 71 percent

• 60 percent

• 50 percent

• 80 percent

Which ocean is the largest according to the text?

• Pacific Ocean

• Atlantic Ocean

• Indian Ocean

• Arctic Ocean

What are the three basic motions of ocean water mentioned in the text?

• Currents, waves, tides

• Waves, tides, storms

• Currents, storms, winds

• Tides, winds, storms

The hydrologic cycle is the:

• Circulation of water between atmosphere, oceans, and earth

• Movement of tectonic plates

• Cycle of plant growth

• Rotation of the Earth

Which lake is mentioned as a remnant of a large freshwater lake?

• Great Salt Lake

• Lake Baikal

• Lake Superior

• Lake Victoria

What is the largest saltwater lake mentioned in the text?

• Caspian Sea

• Dead Sea

• Great Salt Lake

• Aral Sea

What role does water play in supporting life on Earth according to the text?

• Supports plants and animals, distributes heat

• Provides oxygen

• Creates landforms

• Generates electricity

What is the gravitational pull of the moon and the sun responsible for in the ocean?

• Regular rises and falls of the ocean

• Ocean currents

• Ocean storms

• Ocean salinity

What percentage of the Northern Hemisphere is covered by the ocean?

• 60 percent

• 71 percent

• 50 percent

• 80 percent

What are naturally formed features on the surface of the earth called?

• Ecosystems

• Landforms

• Biomes

• Habitats