Landforms/ Ocean Floor
A physical feature in Earth's surface.
What is a landform?
70% of Earth's surface
What is the hydrosphere?
The layer under the Earth's crust
What is the mantle?
The name of the supercontinent
What is Pangea?
An opening in Earth's crust
What is a volcano?
Where a river and an ocean meet.
What is an estuary?
The rocky layer of Earth's surface
What is the Earth's crust?
The core is divided into how many parts
What is two? The inner and the outer core.
Developed the idea that the continents were once joined together as one
Who is Alfred Wegener"
A sudden movement in Earth's crust
What is an earthquake?
Low land between hills or mountains
What is a valley?
Solid rock also known as the upper mantle
Lithosphere
Made up of liquid metals
What is the outer core?
The theory of ocean floor spreading and moving plates
What is Plate tectonics?
three types of volcanoes- Describe
Shield- thin lave, cover a larger area, broad bases, and have slightly sloped edges.
Cinder- Cone- thicker lava, cone shaped, steep sides, and narrow base
Composite-built by layers of ash and cinders sandwiched between layers of hardened lava, the sides formed look alike.
A mountain rising from the ocean floor
What is a Sea Mount?
Also part of the upper mantle made up of melted rock
Asthenosphere
Made up of solid metal
What is the inner core?
Fresh water dinosaur found on different continents
What is a mesosaurus?
The parts of the volcano
lava
magma
pipe
vent
ash cloud
magma chamber
crater
caldera
An elevated landform rising from the bottom of the ocean floor and has a flat top at least 660 feet in diameter.
What is a guyote?
Hydrosphere, crust, and lower atmosphere makes up the
What is the Biosphere?
two maps used to show elevation
What is relief and topographical?
Describe the 3 common plate boundaries
convergent boundary- plates slowly slide toward each other, usually forming a subduction zone
divergent boundary- Occurs when plates move apart
Transform boundary- occurs when 2 boundaries slide or grind past each other.
Volcanoes that are likely to erupt in the near future
Volcanoes that could erupt, but have not for several years
Volcanoes that have completely stopped erupting
What is active?
What is dormant?
What is extinct?