Exploring Landforms

How many continents are traditionally recognized on Earth?

• 7

• 8

• 6

• 5

Which ocean is both the largest and the deepest?

• Pacific Ocean

• Southern Ocean

• Indian Ocean

• Atlantic Ocean

What is the biggest island in the world?

• Borneo

• New Guinea

• Greenland

• Australia

What is a peninsula?

• A large area of flat land with no hills or mountains

• A piece of land that has water on three sides, but is connected on the fourth to the mainland

• A narrow strip of land with water on both sides, connecting two larger pieces of land

• A piece of land surrounded by water on all sides

What causes mountains to form?

• Rivers carving through the land

• Erosion from wind and water

• Lava flows into the sea

• Rock layers being pushed together from opposite sides

What is an isthmus?

• A narrow strip of land with water on both sides, connecting two larger pieces of land

• A small body of water surrounded by land

• A piece of land that has water on three sides, but is connected on the fourth to the mainland

• A large body of water surrounded by land

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

• About 80%

• About 70%

• About 60%

• About 50%

What is a plateau?

• A large area of raised land that is flat on top

• A large area of flat land with no hills or mountains

• A piece of land surrounded by water on all sides

• A narrow strip of land with water on both sides, connecting two larger pieces of land

What is the source of water for rivers?

• Underground springs

• Rain or melted snow

• Oceans

• Lakes

What is an estuary?

• A narrow strip of land with water on both sides, connecting two larger pieces of land

• Where a river meets the sea and saltwater mixes with fresh water

• A large body of water surrounded by land

• A small body of water surrounded by land