Water Management & Dykes treasure hunt
The Netherlands is known worldwide for its ingenious water management and iconic dykes. With our GPS treasure hunts, you will discover how this small country has fought and won the battle against water for centuries. From the Afsluitdijk to the modern Delta Works - learn as you scavenge!
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Made 2 days ago: Enkhuizen city walk in Enkhuizen
Available the netherlands treasure hunts (7)
Kinderplezier langs de grachten
Utrecht, Utrecht, Netherlands
Een leuke speurtocht door Utrecht speciaal voor kinderen! Ontdek de grachten, bruggen en bijzondere plekjes van deze ge…
Nederland
7-8 year
Studentenstad Groningen
Groningen, Groningen, Netherlands
Ontdek de rijke universitaire geschiedenis van Groningen. Wandel langs eeuwenoude universiteitsgebouwen, de levendige G…
Nederland
15-16 year
Klein Nederland ontdekken
Den Haag, Zuid-Holland, Netherlands
Een speurtocht voor de allerkleinsten! Wandel door de buurt rond Madurodam en ontdek leuke dingen over Nederland.
Nederland
3-4 year
Politiek Den Haag
Den Haag, Zuid-Holland, Netherlands
Ontdek het politieke hart van Nederland. Wandel langs het Binnenhof, de Ridderzaal en andere historische plekken waar d…
Nederland
13-14 year
Culinair Rotterdam
Rotterdam, Zuid-Holland, Netherlands
Ontdek de lekkerste plekjes van Rotterdam! Van de beroemde Markthal tot de gezellige terrassen van de Witte de Withstra…
Nederland
13-14 year
Havensafari Rotterdam
Rotterdam, Zuid-Holland, Netherlands
Pak je fiets en ontdek de Rotterdamse haven! Van de Euromast tot het Maritiem Museum - leer alles over scheepvaart, tra…
Nederland
13-14 year
Amsterdam ontdekken voor kids
Amsterdam, Noord-Holland, Netherlands
Ontdek het centrum van Amsterdam met de hele familie! Van het Koninklijk Paleis tot het Begijnhof - leer alles over de …
Nederland
9-10 year
Featured this week: example questions for Water Management & Dykes
New example questions from the library every Monday. Updated on 12 October 2026.
What shape does a drop of water have?
Round
Square
Triangle
Star
What do you call a small channel of water?
A ditch
A tunnel
A bridge
A staircase
What do you call a body of water surrounded by land?
A lake
A mountain
A forest
A field
What grows on a dike to make it strong?
Grass
Candy
Toys
Stones
Which machine helps build dikes?
An excavator
A washing machine
A coffee machine
A mixer
What should you do when you play near water?
Be careful
Run fast
Scream
Jump
What does the Netherlands use to manage the water?
With pumps
With spoons
With buckets
With glasses
What color is clean water?
Clear, you can see through it
Brown
Black
Yellow
What happens when it rains very hard?
Locks can fill up
The sun will shine
Flowers grow
Cars will fly
Which boat do you often see in Dutch waters?
A sailboat
A submarine
A spaceship
A plane
Where can you skate when it's freezing?
On frozen water
On grass
On sand
In the air
What do dyke workers use to cut grass?
A lawnmower
A shovel
A hammer
A broom
What does a lock do?
Boats let through
Car washing
Baking bread
Making music
What shape does a dyke ring have?
Round
Triangle
Square
Star
What do you see swimming in the water?
Fish
Cats
Cars
Chairs
Which plants keep dykes strong?
Grass with roots
Tulips
Roses
Cacti
What is a passage for ships through an embankment called?
Lock
Bridge
Tunnel
Gate
What is the name of the great dyke that protects the Netherlands from the sea?
Afsluitdijk
Sea wall
Waterwall
Golf dyke
What is often under dykes to make them stronger?
Stone
Flowers
Toys
Candy
What is stopping the Delta Works?
Dangerously high water
Wildlife
Strong winds
Thick fog
Which province was last drained?
Flevoland
Candy Land
Playland
Colourland
How much water can the Netherlands pump out per day?
Lots of water
A little water
No water
Seawater only
What is the difference between low tide and high tide?
Water goes away and comes back
The sun rises and sets
It gets hot and cold
There will be rain and sunshine
Which birds do you often see by the water?
Seagulls
Elephants
Tigers
Monkeys
Which city has the most famous 'water squares'?
Rotterdam
Amsterdam
Utrecht
The Hague
Which natural enemy of dikes causes the most damage?
Moles
Birds
Fish
Insects
Which wind causes the highest water levels along the Dutch coast?
Northwest wind
Southeast wind
Northeast wind
Southwest wind
What is the function of an 'overflow area'?
A place where water can temporarily collect during high water
A place for picnics
A sports field
A parking area for boats
What is the difference between a polder and a droogmakerij?
A droogmakerij is drained water, a polder is low-lying land
A polder is bigger than a droogmakerij
A droogmakerij is always located by the sea
There is no difference
Which Dutch province has the most polders?
North Holland
Zeeland
Friesland
South Holland
What is an 'inlaag' in dike construction?
An extra layer of soil to strengthen the dike
A layer of ice that forms in winter
A decorative layer of flowers
An underground water pipe
What color are the warning posts that indicate where dikes are weak?
Red
Blue
Yellow
Green
What material is used in modern 'green dykes' to reduce CO2 emissions?
Recycled concrete
Bamboo fibre
Hemp fibres
Carbon composites
What method is used to counter seepage under dykes?
Kwelscherms
Drainage pipes
Sand filters
Pressure valves
In which year was the Delta Plan officially approved by parliament?
1958
1955
1960
1953
What method is used to strengthen embankments without affecting their original shape?
Injecting micropiles
Embedding geotextiles
Laying stone paving
Adding clay filling
What is the maximum throughput capacity of the floodgates at Kornwerderzand?
4,000 m³/s
2,500 m³/s
6,000 m³/s
1,800 m³/s
Which storm surge led to the construction of the Delta Works?
February 1, 1953
12 November 1970
3 January 1976
31 January 1916
What innovative technique has been used at the Afsluitdijk since 2015 to combat both freshwater supply and salt intrusion?
sluice gates with automatic salt detection sensors
Underground freshwater reservoirs in the dike
Reverse osmosis plants in the spray chambers
Tidal turbines with freshwater filters
How many cubic metres of water does the De Blocq van Kuffeler pumping station pump out per minute?
1,500 m³/min
800 m³/min
2,200 m³/min
950 m³/min
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Frequently asked questions
A Water Management & Dykes scavenger hunt is a GPS-guided outdoor activity with quiz questions about Water Management & Dykes, part of the theme The Netherlands. You walk a route past various locations and answer fun questions along the way.
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