The Earth's Layers Flashcards
The flowing of the upper __________ causes the Earth’s plates to move.
Mantle
The Earth’s crust is thickest under the _____________ __________.
Continental Plates
The Earth’s crust is the thinnest under the __________ _________.
Ocean plates
What landforms are shaped by water?
Valleys and canyons
What landforms are shaped by wind?
Deserts and beaches.
What is the flattest kind of landform without any hills or mountains?
Plains
The tallest and most visible landforms are __________.
Mountains
Streams and rivers can cut small __________ or gullies where they flow.
Channels
Gust of wind can pile sand into large mounds called sand ________.
Dunes
___________________ measures vibration in the Earth.
Seismograph
What landform is formed when a river meets the ocean?
Delta
The _________ is the top layer of the Earth.
Crust
A large mass surrounded by oceans or other land is called an _________.
Island
Valleys and canyons are examples of landforms shaped by ________.
Water
The gentle sloping edge of continent that connects the shore to the sea is called __________ __________.
Continental slope
What Earth layer has a magnetic field?
Outer Core
What Earth layer is made of solid metal?
Inner Core
What type of boundary is an area where two tectonic plates are moving apart?
Divergent
What Earth layer is solid rock caused to liquefy by extreme heat and pressure?
Mantle
What type of boundary is an area where two tectonic plates are Colliding?
Convergent
The continents today were once joined in one huge continent called _________.
Pangaea
The continents drift only a few ____________ a year.
Inches
Name the four Earth layers.
Inner core, outer core, mantle, crust.
What is Earth layer is solid rock?
Mantle
What Earth layer creates the Earth’s magnetic field?
Outer core
What two metals make up the inner core?
Iron and nickel
Name the super-continent that existed millions of years ago before the continents drifted apart.
Pangaea
Name the region that is made up of the Earth’s crust and the solid part of the mantle above the atmosphere.
Lithosphere
What force pulls everything towards the center of the Earth?
Gravity
