Earth's Surface

Any topographic feature of Earth's crust is called a(n)

• landform

• elevation

• contour

More than 70 percent of Earth's surface is covered by

• ice

• plateaus

• oceans

The height above sea level is also called

• elevation

• topography

• relief

Plains are landforms with

• high elevation and low relief

• low elevation and low relief

• high elevation and high relief

The Himalayas and Appalachians are

• plateaus

• plains

• mountains

The change in elevation in an area is called

• contour

• topography

• relief

Plateaus are landforms with

• low elevation and low relief

• high elevation and low relief

• high elevation and high relief

How much of the Earth's surface is covered by oceans?

• 50%

• 70%

• 25%

What are two prominent features of the seafloor that are also found on land? (Select 2 answers.)

• canyons

• sand dunes

• mountain ranges

How was the Grand Canyon formed?

• earthquake

• crater

• Colorado River