Coasts Crossword Puzzle

QUESTIONS LIST:

• swash: refers to the water that is washed up the beach when a wave breaks, due to the wind
• backwash: refers to water that runs back down the beach towards the sea due to slope and gravity
• constructive waves: these waves deposit materials, it has a stronger swash compared to backwash
• destructive waves: these waves erode materials, it has a stronger backwash compared to swash, creating a steeper slope
• longshore drift: the movement of materials along the shore by wave action
• hydraulic action: refers to the force of water hitting against the riverbed and removing material
• abrasion: when sediment is carried by the water and hits the river channel and removes material in a sandpapering effect
• cave: formed by hydraulic action and abrasion which widens cracks, creating a _ which widens and deepens over 1000's of years.
• arches: when a cave breaks through the headland, it forms a _
• stacks: when an arch is eroded so much that the roof of the arch becomes unstable and collapses, leaving a _
• stumps: a stack which is eroded at the bottom until it collapses causes a _ to form.
• spits: an extended stretch of sand or shingle that extends out to sea from the shore
• bars: spits which have grown across a bay until it is completely cut off, leaving a lagoon of freshwater behind it
• tombolo: a spit joining the mainland to an island
• beach: a depositional landform which usually occurs in sheltered areas such as bays during summer months when weather is calmer