1.4 Flashcards
(25 cards)
What are headlands?
Headlands are protruding pieces of land that extend into a body of water.
What are bays?
Bays are coastal bodies of water that are partially enclosed by land.
True or False: Headlands are formed by erosion.
True.
True or False: Bays are typically formed by deposition.
True.
What geological process primarily contributes to the formation of headlands?
Erosion from wave action.
What role does wave refraction play in the formation of headlands?
Wave refraction concentrates wave energy on headlands, increasing erosion.
Fill in the blank: Bays are often formed in areas where the _______ is softer than surrounding rock.
bedrock
Multiple choice: Which of the following is a characteristic of headlands? A) They are usually flat B) They are often steep C) They are always sandy
B) They are often steep.
What is the primary factor that influences the shape of headlands?
The type of rock and its resistance to erosion.
How do human activities impact the formation of headlands and bays?
Human activities can alter sediment supply and wave patterns, affecting erosion and deposition.
True or False: Headlands can protect bays from strong wave action.
True.
What is a common feature found at the tip of a headland?
A cliff or steep slope.
What is the process by which sediment is deposited to form a bay?
Deposition occurs when wave energy decreases, allowing sediment to settle.
Fill in the blank: The ___________ of a bay can influence local ecosystems.
shape
Multiple choice: Which of the following can lead to the formation of a bay? A) Strong currents B) Erosion of soft rock C) Volcanic activity
B) Erosion of soft rock.
What is the relationship between headlands and the formation of beaches?
Headlands can trap sand and sediment, leading to the formation of beaches in the sheltered areas of bays.
True or False: Headlands are always larger than bays.
False.
What type of map would best illustrate the formation of headlands and bays?
A coastal topographic map.
What role does longshore drift play in the formation of bays?
Longshore drift can transport sediment into bays, contributing to their shape and size.
Fill in the blank: The ___________ of a coastline can determine where headlands and bays form.
topography
What is an example of a famous headland?
Cape Cod.
What is an example of a famous bay?
Chesapeake Bay.
How does the geological history of an area affect headland and bay formation?
The geological history determines the types of rock present and their susceptibility to erosion.
What is the significance of headlands and bays for marine life?
They provide diverse habitats and protect certain areas from harsh ocean conditions.
