Unit 3 Our Dynamic Earth L 1 Review

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

Volcanoes can form on...

• the ocean floor or land.

• plate movement.

• glaciers and icebergs.

• state boundaries.

Volcanoes are caused by...

• the ocean floor or land.

• plate movement.

• glaciers and icebergs.

• state boundaries.

Plateaus, valleys, canyons, and mountains are all examples of _____.

• highlands

• mantle areas

• landforms

• hydrosphere

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

• true

• false

Which shows the elevation of an area using contour lines?

• mountains

• faults

• topographical maps

• cartographer

Latitude and longitude are used to find a location of a specific place or landform feature on a map.

• true

• false

Select all of the ways maps of land and maps of the ocean floor could be similar.

• Both maps could show valleys.

• Both maps could show plant life

• Both maps could show mountain ranges.

• Both maps could show earthquakes.

• Both maps could show directions.

Volcanoes occur between continents and oceans. Mountain chains form near the edges of continents. These are plate boundaries.

• true

• false

What causes mountains and volcanoes?

• magma

• rocks

• moving plates

• ocean waves