Our Dynamic Earth

What two possible techniques could scientists have used to create this map of the ocean ridges?

• detecting new landforms

• observing from underwater vehicles

• monitoring sound waves

• comparing mountain ranges

• surveying land levels

Complete the sentence:

Volcanoes can form on _______________________

• the ocean floor or land

• plate movement

• glaciers and icebergs

• state boundaries

A landform is a physical feature on the Ocean’s surface.

• True

• False

Plateaus, valleys, canyons, and mountains are all examples of:

• Highlands

• Mantle areas

• Landforms

• Hydrosphere

A landform that rises high above the Earth’s surface:

• Hill

• Valley

• Mountain

• Plateau

A close-up look at Earth shows you many natural features on the surface. These features are called...

• highlands

• landforms

A natural elevation of the Earth’s surface, smaller than a mountain...

• Hill

• Valley

• Mountain

• Plateau

Which shows the elevation of an area using contour lines?

• Mountains

• Faults

• Topographical map

• Cartographer

A deep valley with high, steep sides...

• Hill

• Valley

• Mountain

• Canyon

Latitude and longitude are used to:

• Find a location of a specific place or landform feature on a map.

• Determine the shape of the Earth.