Vocabulary Flashcards
(37 cards)
Volcanoes
Mountains with openings in Earth’s crust though which magma,gases, and ash reach Earth’s surface
Landslide
Mass movements of land due to gravity.
Seamounts
Volcanoes on the ocean floor.
Volcanic Islands
Seamounts that rise above the ocean surface. Ex: Hawaii or Japan
Earthquake
Vibrations on Earth’s surface caused by sudden movement in Earth
Plates
Gigantic slabs of rock that makes up the Earth’s crust
Fault
The cracks in the earth’s crust where the plates come together
Tsunami
A huge wave usually caused by a earthquake under the ocean
Flood
When large amounts of water cover land that is usually dry
Erosion
The movements of sediments and soil by wide,water,ice, and gravity
Constructive
Process that creates landform
Destructive
Process that destroy landforms
Weathering
Process that brake down rocks at or near the surface of the earth. It can be either physical or Chemical
Deposition
The dropping or depositing of sediments by water or wind or ice
Continental shelf
The part of the continent located under the water
Continental slope
The steep slope where the continental shelf drops to the bottom of the ocean floor
Mid-ocean Ridge
On the bottom if the ocean there is a central Ridge, or mountain range that divides the ocean floor into two parts. These under water volcanic mountains are known as the mid-ocean Ridge
Rift Zone
The center the highest part of the mid-ocean Ridge. Under water volcanic activity that adds mountains to either side of the mid-ocean Ridge occurs at the rife zone
Trenches
The deepest part of the ocean basin and are deeper than any valley found on land
Ocean Basin
Made up of low hills and flat plains located on either side mid-ocean Ridge
Abyssal plain
The flat area of the ocean basin.
Ocean Shore Zone
The area where the ocean meets the land
Beaches
Shorelines made of land
Shoreline
Area where the land meets the ocean
