Land Features
How is a sand dune made?
It is made from wind erosion and deposition.
Sandbars are sections of sand that form close to ___ due to ___. ___ ___ are similar but are on a much larger scale.
beaches; deposition; barrier islands
What is a plateau?
It is flat land that is higher then the land around it.
How are springs formed? What makes a hot spring hot?
From the aquifer overflowing or being exposed. The spring forms near volcanic activity.
The ___ ___ is an accumulation of sediments deposited by a current at the foot of the continental margin and marks the beginning of the ___ ___, the flat part of the seafloor.
continental rise; abyssal plain
What is an estuary? How is it different from a delta?
Where the river and the ocean water meet. A delta has a triangular shape with deposits between the branches of the river's mouth.
What type of land feature is the Grand Canyon? Define the term.
a valley created by a fast moving river that has straight and narrow cut steep slopes
What are the three ways that a lake can form?
Sinkholes, glaciers melting, or being man-made
What is the shallowest part of the continental margin known as?
Continental shelf
Waterfalls, sea arches, sea caves, and sea stacks form because ___ rock is eroded away faster than the surrounding rock.
soft
How do you tell the difference between physical and chemical weathering?
Chemical weathering changes the minerals that make the rock. Physical weathering changes the size and shape.
The Appalachian Mountains are an example of __ __. The Rocky Mountains are an example of __ __.
eroded mountains; rugged mountains
How/when do sinkholes form?
When limestone is eroded away by the groundwater and the ground on top collapes.
What is the structural difference (shape) between a seamount and a guyot?
A guyot has a flat top.
Streams or running water cut into sides of slopes to form ___ and sometimes larger ___.
rills; gullies
Found near volcanic places, hotspots, and plate boundaries, these fissures have geothermally heated water coming out. This feature is also where some believe life on Earth started.
hydrothermal vents
What two processes form a beach?
Water erosion and deposition
What are 4 ways that we are able to see and describe the ocean floor?
Remotely operated vehicles (ROVs), Autonomous underwater vehicles (AUVs), satellites, SONAR, and diving.
These two Karst formations are found in caves. ___ are found on cave ceilings and __ are found coming up from the ground.
stalactites; stalagmites
Landslides, mudflows, slumps, and creeps are types of __ ____ caused by _____.
mass movements; gravity.
Abrasion and plucking, done by __, lead to the formation of __ ___.
glaciers' u-shaped vallies