Waterfalls Flashcards
What is a waterfall?
A waterfall is a cascade of water falling from a height, formed when a river or stream flows over a cliff or steep incline.
True or False: Waterfalls are commonly formed by glaciers.
False. Waterfalls are commonly formed by rivers or streams.
Which of the following factors can contribute to the formation of a waterfall?
A) Erosion
B) Climate change
C) Volcanic activity
D) Plate tectonics
A) Erosion
What is the tallest waterfall in the world?
Angel Falls in Venezuela, with a height of 979 meters (3,212 feet).
What is the process by which a waterfall retreats upstream due to erosion?
Headward erosion.
Which type of waterfall is characterized by a temporary flow of water, often due to melting snow or ice?
Seasonal waterfall.
What is the term for a waterfall that forms when a river is forced to flow over a resistant rock layer?
Cataract.
What is the name for the phenomenon where a waterfall freezes into a column of ice during winter?
Icefall.
What is the term for a waterfall that flows directly into the sea or ocean?
Plunge waterfall.
True or False: Waterfalls are only found in mountainous regions.
False. Waterfalls can be found in various landscapes, not just mountainous regions.
What is the name for a series of small waterfalls cascading down a steep slope?
Cascade.
Which country is known for having a high concentration of waterfalls, including the famous Iguazu Falls?
Argentina.
What is the term for the pool of water at the base of a waterfall?
Plunge pool.
What geological process can cause a waterfall to form over time?
Tectonic uplift.
Which of the following factors can influence the appearance of a waterfall?
A) Volume of water
B) Height of the drop
C) Surrounding vegetation
D) All of the above
D) All of the above
