Earth's Landforms
Features of the Ocean Floor
Features of the Ocean Floor/Mapping features
Earth's Layers
Plate Tectonics
100
A physical feature on Earth's surface
What is a landform?
100
a large underwater area between continents
What is an ocean basin?
100
an underwater mountain that rises from the ocean floor but stops before it reaches the surface of the ocean
What is a seamount?
100
includes all of the gases around Earth
What is the atmosphere?
100
a scientist who examines rocks
Who is a geologist?
200
a landform that rises high above the ground
What is a mountain?
200
along the coast of a continent, the ocean floor is called the
What is the continental shelf?
200
an indentation that occurs along the top of mid-ocean ridges
What is a rift valley?
200
the rocky layer of Earth's surface
What is the crust?
200
a theory that millions of years ago Earth's continents were joined together like a completed jigsaw puzzle
What is the theory of continental drift?
300
a wide flat area
What is a plain?
300
A continental shelf ends at a point where a sharp slope begins. This sharp slope is called
What is the continental slope?
300
a map that uses shading to show elevations
What is a relief map?
300
the layer of Earth's interior below the crust
What is the mantle?
300
a theory that explains hwo forces deep within Earth an cause ocean floors to spread and continents to move
What is plate tectonics?
400
a small river or stream
What is a tributary?
400
a wide flat area of ocean floor that covers about 40% of the floor
What is the abyssal plain?
400
uses lines to show elevation
What is a topographical map?
400
made up of liquid metals made up of solid metals
What is the outer core? What is the inner core?
400
hot, melted rock
What is magma?
500
a large body of salt water
What is an ocean?
500
the deepest parts of the ocean floor
What are trenches?
500
parts of the earth where living things are found
What is the biosphere?