Layers of the Earth
Is what the crust is made of?
rock
What are 3 examples of landforms?
mountains, plains, valleys, mesas, buttes, and platues.
Name the three land formations that we learned and did notes on?
Sand dunes, canyons, and volcanoes.
(Geosphere)
Define geosphere.
Geosphere is the Earth’s layers
What is the top layer of the earth we live on called? What is it made of?
Crust - Rock
What are the layers of the Earth?
The crust, Mantle, Outer core, and inner core.
Where is the oldest part of the Earth located?
The core is the oldest part located at the center of the Earth! (Under the mesosphere.)
What creates mountains?
Tectonic plates
How does the sand become dunes? In other words, what force creates sand dunes?
The wind.
What is erosion?
Erosion is the natural process by which rock and soil from one location on the Earth’s surface are moved to another location.
What layer of the Earth is the deepest?
Mantle
What is the Earth made out of?
Giant Tectonic Plates
What 5 constructive forces mostly build landforms?
running water, freezing water, wind, and chemical weathering.
What is a volcano?
A volcano is a mountain or an opening in Earth’s crust where hot liquid rock reaches Earth’s surface.
What mainly drives erosion?
Gravity.
What does the prefix “geo-“ mean?
Earth or rock
Give the layers of the Earths and what is it made of?
Crust - Made up of giant plates.
Mantle - Made up of a layer of rock.
Outer Core - Made up of molten iron.
Inner Core - Made up of nickel and iron.
What natural disaster can change landforms quickly?
Earthquakes
Canyons are molded by 5 major forces, which are...
Fire, water, wind, and ice.
What is deposition?
Deposition is where the sediments that were eroded, land somewhere.
What factors caused the different layers to form within the Earth?
Iron, nickel, and rock