Waves Flashcards
(15 cards)
What are constructive waves?
Constructive waves are waves that build up beaches by depositing sand and other materials.
True or False: Destructive waves erode coastlines.
True
Fill in the blank: Constructive waves typically have a __________ wave height.
low
What is the primary effect of destructive waves on a beach?
They remove sand and sediment, leading to beach erosion.
Which type of wave has a stronger backwash, constructive or destructive?
Destructive waves have a stronger backwash.
Multiple Choice: Which of the following characteristics is associated with constructive waves? A) High frequency B) Low energy C) Short wavelength D) All of the above
A) High frequency
What is the typical wavelength of destructive waves?
Destructive waves typically have a longer wavelength.
True or False: Constructive waves are usually found in calm weather conditions.
True
Short Answer: Name one environmental factor that affects the formation of constructive and destructive waves.
Wind strength
Fill in the blank: Destructive waves tend to have a __________ frequency compared to constructive waves.
lower
What is the main factor of waves to exist?
Wind
Three parts of wave are:
Crest, trough, wave length
The size of a wave may be influenced by three things. What are they?
Strength of wind
Time wind has blown
Distance the wave travel
Swash
The up hand rush of water onto the beach after a wave breaks
Backwash
The receding water flowing back into the sea after the swash