WorksheetsSalt Marshes & Sand Dunes Quiz
Total questions: 20
Worksheet time: 10mins
How is a sand dune defined compared to beach?
Sand dunes from which wind blows as grain of sand accumulate
When ice glaciers melt, it will slowly gather the loose sand together
It was created by the pressure of earth after many years
It was formed by the tides each day
Are sand dunes formed by humidity?
No
Yes
What causes a sand dune to form?
Plastic bottle
Wood stump
All of the above
Wind
What is a downwind side of a sand dune considered to be?
Sand face
Slip face
Gentle slope
Sand slide
What type of plant grows in both sand dunes and salt marshes?
Dandelion flowers
Halophytic plants
Hornwort plants
Roses
What are the functions of sand dunes?
Protects inland areas and coastlines from water intrusion and erosion
Tourist attractions
Regulates water quality
Filters and retains sediments
What lives in salt marshes
All of the above
Spiders
Birds
Anemones
Why can't humid sands form sand dunes?
Because it would be too cold to move
Because, Why not?
Because they would be stuck to the ground
Because it would be harder for them to move around as clumps
When does salt marshes have the lowest and highest tides of the year?
Spring and Winter
Summer and Spring
Autumn and Spring
Summer and Winter
Can you walk on salt marshes?
Yes
No
Which of the following is not a reason for the impact of oysters in salt marshes?
Oyster helps to reduce waves energy during sub-tidal condition
Oysters provide food and help other creatures to grow in salt marshes
Oyster is a water filtration
Oyster offer additional ecosystem services
What is the largest sand dune in the world?
Huacachina, Peru
Namib Desert, Namibia
White Sands National Monument, New Mexico
Badain Jaran Dunes, Mongolia/China
How are salt marshes formed?
Longshore drift causes vegetation and sediment to collect on the shore
Constructive waves drag vegetation and sediment onto the shore, forming salt marshes
The accumulation of sand grains
Longshore drift forms a spit, creating a sheltered area for sediment to collect
What soes should you wear to the sand dunes?
Flip Flops
Don't wear shoes
Boots
High heels
How would a sand dune form a new land?
As more sand heaps up, and when a strong wind hits, the sand dune will fall apart and a new land is created
As more sand heaps up and marram grass grows, other grass will grow on the dunes as well and eventually the sand dune will turn into a new land
As more sand were blown to the dunes, and it expand the area and a new land is formed
As more grass grows on the sand dunes and it slowly fills out the sand dunes, the sand dunes is not considered as a sand dunes anymore
Is sand dune an offical name for a color
No
Yes
Which of the following landforms are salt marshes unlikely to form on?
Estuaries
Lagoons
Wave-cut platforms
Bays
____ will form on the seaward side of the older dunes.
Baby dunes
New dunes
Young dunes
Modern dunes
What is the primary threat to salt marshes in Europe?
Humans stepping on it
Wind, Storms
Coastal Squeeze
Too many insects
Can sand dunes be man-made?
Yes
No
