Treasure hunt 17-18 years
Scavenger hunts for 17-18-year-olds offer the perfect mix of challenge, adventure and teamwork. This age group can make full use of their analytical skills in complex puzzles and strategic tasks that really challenge them.
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Made 2 days ago: Enkhuizen city walk in Enkhuizen
17-18 years treasure hunts
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New example questions from the library every Monday. Updated on 12 October 2026.
Which mushroom is known for its extremely high price per kilogram?
White truffle
Matsutake
Morels
Chanterelles
What is typical about the root structure of marsh plants?
Aerenchyme tissue for oxygen transport
Extra-deep taproot
Mycorrhiza fungi
Verhout root tissue
Which flower has a built-in 'thermostat' and can regulate its own temperature?
Arum
Sunflower
Lotus
Magnolia
Which mushroom is traditionally used in Chinese medicine and called 'reishi'?
Ganoderma lucidum
Cordyceps sinensis
Tremella fuciformis
Hericium erinaceus
What causes the lake turnover phenomenon?
Temperature differences that cause water layers to swap
Wind swirling the water
Fish churning the water
Lunar phases
On average, how much CO2 can a mature beech tree store per year?
22-25 kg
5-8 kg
45-50 kg
80-100 kg
Which ant can lift her own body weight 50 times?
Leafcutter ant
Red forest ant
Black garden ant
Fire ant
What is the main threat to peat growth in the Netherlands?
Nitrogen deposition
Invasive species
Recreation
Air traffic disruption
What characteristic do nautiluses have that other cuttlefish do not?
An external shell
No tentacles
They live in freshwater
They can fly
What is special about whales' tongues?
It may weigh as much as 2,700 kg
He is blue in colour
It can extend like a chameleon
He has taste buds for salt water
What is the main threat to the Iberian lynx?
Decline in rabbit populations due to diseases
Climate change
Direct hunting by humans
Competition with other predators
Which marine animal can change its sex during its lifetime?
Clownfish
Seahorse
Stingray
Sea urchin
What trait do manatees have that helps them in the water?
Their bones are heavy and massive
They have gills in addition to lungs
Their skin is waterproof
They can drink salt water
Which spider is known for carrying its eggs on its back?
Wolfspin
Cross spider
Jumping pins
Bird spiders
Which poisonous butterfly serves as a model for Bates mimicry?
Heliconius butterflies
Morpho butterflies
Swallowtail butterflies
Admiral butterflies
Which primate is the strongest?
Gorilla
Chimpanzee
Orang-utan
Baboon
Which Dutch inventor developed the pendulum clock?
Christiaan Huygens
Zacharias Janssen
Antonie van Leeuwenhoek
Cornelis Drebbel
What was Italy's main reason for taking part in the war?
Territorial gains in South Tyrol
Protection of the pope
Alliance with Germany
Control of the Mediterranean
What tactics did German U-boats use from February 1917 onwards?
Unlimited submarine warfare
Wolfpack tactics
Surface attacks
Mining
What innovation made hunter societies more effective?
Spearheads with barbs
Iron swords
Bronze helmets
Stone catapults
Which Soviet leader introduced the concepts of 'glasnost' and 'perestroika'?
Mikhail Gorbachev
Leonid Brezhnev
Yuri Andropov
Konstantin Chernenko
Which Spanish conquistador conquered the Inca empire in Peru?
Francisco Pizarro
Hernán Cortés
Diego de Almagro
Sebastián de Belalcázar
In which country was the first practical parachute tested by André-Jacques Garnerin?
France
Germany
Italy
England
What role did the chemical industry play in the later Industrial Revolution?
Production of artificial dyes and soaps
Exclusively medicine production
Explosives production only
Food preservation
What does the Dutch tradition of 'Op je dooie akkertje' mean?
Very calm and at ease
Very angry and frustrated
Dead tired and exhausted
Very quick and rushed
Which Dutch invention in meteorology was groundbreaking?
The weather radar system
The barometer
The weather satellite
The weather station
Which governor general of the Dutch East India Company founded Batavia?
Jan Pieterszoon Coen
Pieter Both
Antonio van Diemen
Maarten Gerritszoon Vries
Which Dutch korfball club has the most national titles?
PKC
Fortuna
TOP
Deetos
In which port was the East India Company ship the Batavia when it was launched in 1628?
Amsterdam
Rotterdam
Horn
Enkhuizen
In which city do the Jumping Amsterdam competitions take place?
Amsterdam
Utrecht
Den Bosch
Roosendaal
Which Dutch company developed the first commercial CD player in 1982?
Philips
ASML
DSM
Shell
What was the name of the VOC hospital in Batavia?
The Inside Hospital
The Company Lazaret
The East India Hospital
The General Hospital
In which equestrian sport is the term 'ghost' used?
All driving sports (means scare)
Dressage only
Western riding only
Jumping only
In which year was the first official World Men's Skating Championship held?
1893
1889
1897
1901
What is the name of the technique for turning a kayak around in wild water?
Eskimo roll
Ferry glide
Eddy turn
Boof
Which NBA player grabbed the most rebounds in one game?
Wilt Chamberlain (55 rebounds)
Dennis Rodman (34 rebounds)
Shaquille O'Neal (28 rebounds)
Bill Russell (32 rebounds)
Which Japanese gymnast is known for the 'Tsukahara' jump?
Mitsuo Tsukahara
Kohei Uchimura
Sawao Kato
Takeshi Yamamoto
In which year were women admitted to the Olympics for the first time?
1900
1896
1904
1908
Which Dutch hockey star was the first to win the FIH Player of the Year award?
Maartje Paumen
Eva de Goede
Ellen High
Kim Lammers
Which position is also called 'setter'?
Position 2
Position 1
Position 4
Position 6
Which feature sets the London Stadium apart from other Premier League stadiums?
An athletics track around the pitch
A fully glass roof
Underground changing rooms
Floating stands
Which US player scored 5 goals in the 1999 World Cup final penalty shoot-out?
Nobody (penalty shoot-out does not have 5 goals)
Brandi Chastain
Mia Hamm
Julie Foudy
Which Dutch club has a lion in their logo?
FC Twente
William II
PSV
AZ
Which goalkeeper is considered the inventor of the modern 'sweeper keeper' style?
Manuel Neuer
Victor Valdés
Claudio Bravo
Hugo Lloris
Which stadium is famous for its “Yellow Wall” (Gelbe Wand)?
Signal Iduna Park (Borussia Dortmund)
Allianz Arena (Bayern Munich)
Mercedes-Benz Arena (VfB Stuttgart)
RheinEnergieStadion (FC Cologne)
Which mascot represented the 2010 World Cup?
Zakumi
Fuleco
Zabivaka
Goleo VI
Which US city hosted the final of the 1999 Women's World Cup?
Los Angeles
New York
Chicago
Boston
Which player scored the first Golden Goal ever at a major tournament?
Oliver Bierhoff
David Trezeguet
Zinédine Zidane
Laurent Blanc
What is DGPS?
Differential Global Positioning System
Digital GPS
Direct GPS
Dual GPS
The Bermuda Triangle is in which ocean?
Atlantic Ocean
Pacific Ocean
Indian Ocean
Arctic Ocean
What is an arête in glacial landscapes?
Sharp ridge between two glacial valleys
Round hilltop
Glacier Lake
Morenewal
Which country first introduced summer time during World War I?
Germany
United Kingdom
France
United States
The phenomenon of 'marine snow' refers to:
Falling organic particles in the deep ocean
Frozen seawater on the surface
White coral bleaching
Foaming caused by storms
The IJssel gets its water from which river?
Rhine
Maas
Waal
Leak
Which climate factor has the greatest impact on the water balance in an area?
Ratio of precipitation to evaporation
Average annual temperature
Wind speed
Air pressure
Which South American city uses a different time zone from the rest of the country?
None
Manaus
Caracas
Lima
What is the difference between prosciutto di Parma and prosciutto di San Daniele?
Different regions in Italy
Different species
Different cooking methods
Different spices
Which vegetable is the base of the Latvian Christmas soup 'Pelēkie zirņi'?
Grey peas
Red beets
White cabbage
Yellow onions
What is the difference between fresh coriander and coriander z aad?
Different parts of the same plant with different flavours
They are two different plant species
Corianderz aad is dried coriander leaves
There is no difference, both terms are interchangeable
Which cheese-making technique gives Emmental its characteristic holes?
CO2 production by bacteria
Manual prodding during maturation
Steam treatment
Addition of air bubbles
What is the main flavour of Filipino Christmas ham 'Hamonado'?
Pineapple
Mango
Coconut
Banana
What is the traditional base for Thai red curry paste?
Red chilli, galangal and lemongrass
Tomatoes and peppers
Red beans and coconut
Red onion and garlic
What is the traditional filling of Russian blini during Maslenitsa (butter week)?
Sour cream and caviar
Honey and nuts
Cream cheese and salmon
Jam and butter
What is the symbolic significance of lentils in the Italian New Year dish?
Happiness and prosperity
Love and romance
Health and strength
Wisdom and knowledge
Which city is often associated with the X-Men?
Westchester, New York
Salem Center, New York
White Plains, New York
Tarrytown, New York
Which mutant can fire energy plasma and is Cyclops' brother?
Alex Summers (Havok)
Gabriel Summers (Vulcan)
Adam Summers
Aaron Summers
In which city are most Daredevil stories set?
Hell's Kitchen, New York
Brooklyn, New York
Queens, New York
Bronx, New York
Who created the black Spider-Man suit (the symbiote)?
Stan Lee and Steve Ditko
Randy Schueller (fan idea), executed by Mike Zeck
Todd McFarlane
John Romita Sr.
In V for Vendetta, which date is celebrated annually?
5 November
4 July
31 October
1 December
What is the Daily Planet's editor-in-chief's name?
Perry White
J. Jonah Jameson
Ben Urich
Robbie Robertson
What is the advanced metal mainly found in Wakanda called?
Vibranium
Adamantium
Unobtainium
Uru
What is the name of the town where Black Panther is from?
Wakanda
Genosha
Latveria
Attilan
What is the role of Taq polymerase in PCR?
It synthesises new DNA strands at high temperatures
It cuts DNA strands at specific sites
It connects DNA fragments
It denatures DNA helices
What is the diameter of an average capillary?
5-10 micrometres
50-100 micrometres
1-2 millimetres
0.5-1 micrometre
Which flavour is not perceived by specific taste buds?
Spicy/sharp
Umami
Bitter
Salt
What is the main function of guide RNA in CRISPR systems?
Directing Cas proteins to specific DNA sequences
Cutting DNA strands
Repairing DNA breaks
Activating genes
What is the medical term for kneecap?
Patella
Fibula
Tibia
Femur
Which part of the brain primarily processes visual information?
Occipital cortex
Frontal cortex
Temporal cortex
Parietal cortex
What is the scientific name for the tibia?
Tibia
Fibula
Femur
Patella
What technique is used to fuse plant protoplasts?
Polyethylene glycol (PEG) fusion
Enzyme digestion
Ultrasonic treatment
Magnetic separation
Which film marked the end of Classical Hollywood?
Heaven's Gate
Apocalypse Now
The Deer Hunter
One from the Heart
Which film introduced Disney's MultiPlane Camera technique?
Snow White and the Seven Dwarfs
Pinocchio
Bambi
Fantasia
Which Dutch children's series was set at a boarding school?
The House of Anubis
Spangas
Floor's rules
Freeland
Which 1982 fantasy film revolves around a dark world populated by mystical creatures?
The Dark Crystal
The NeverEnding Story
Labyrinth
The Last Unicorn
Which actress played both Hermione Granger and Belle in Beauty and the Beast?
Emma Watson
Emma Stone
Anne Hathaway
Keira Knightley
Which director filmed both Kill Bill and Django Unchained?
Quentin Tarantino
Robert Rodriguez
Sam Raimi
David Lynch
Which French director is considered the father of auteur theory?
François Truffaut
Jean-Luc Godard
Claude Chabrol
Éric Rohmer
Which director made Moonlight?
Barry Jenkins
Ryan Coogler
Ava DuVernay
Jordan Peele
Which Dutch artist is known for his red-blue-yellow compositions?
Piet Mondrian
Karel Appel
Theo van Doesburg
Kees van Dongen
What does 'impasto' mean as a painting technique?
Thickly applied paint that remains visible
Transparent colour layers on top of each other
Dilute paint with lots of medium
Mixing colours on the palette
What is the main purpose of many social installations?
Encouraging dialogue on social issues
Decorating public spaces
Raising property prices
Entertaining tourists
What technique is used in 'etching' in street art?
Scratching designs into glass or metal
Drawing with acid
Creating relief in concrete
Laser engraving
Which American abstract expressionist was known for his drip painting technique?
Jackson Pollock
Mark Rothko
Willem de Kooning
Barnett Newman
Which painter is known for his extreme close-ups of flowers?
Georgia O'Keeffe
Frida Kahlo
Mary Cassatt
Helen Frankenthaler
Which movement in abstract art emphasised the process over the end result?
Process Art
Colour Field Painting
Hard-edge painting
Optical Art
Which Brazilian artist became known for his tropicalist works and installations?
Hélio Oiticica
Lygia Clark
Tarsila do Amaral
Candido Portinari
Who discovered the law of electromagnetic radiation (Planck's law)?
Max Planck
Albert Einstein
Wilhelm Wien
Stefan Boltzmann
What is the function of Taq polymerase in PCR?
DNA synthesis at high temperatures
DNA denaturation
Primer-binding
Template purge
Which type of plate boundary causes the formation of volcanic island arcs?
Convergent boundary with subduction
Divergent border
Transforming border
Continental rift zone
Which cell is the precursor of all blood cells?
Haematopoietic stem cell
Mesenchymal stem cell
Embryonic stem cell
Neural stem cell
Which of Wilhelm Röntgen's inventions won him the first Nobel Prize in Physics?
X-rays
Radioactivity
Electron microscope
Computed tomography
What is the principle behind 'rewilding' as a wildlife management strategy?
Allowing ecosystems to recover through minimal human intervention
Genetically reconstruct extinct species
Introducing exotic species for biodiversity
Creating artificial habitats in cities
What is the purpose of adding agarose to an electrophoresis gel?
Creating a porous matrix for molecular separation
Increasing the electric current
Making DNA visible
Lowering the temperature
Which scientist formulated the law of molecular kinetics?
Daniel Bernoulli
James Clerk Maxwell
Ludwig Boltzmann
Rudolf Clausius
What distinguishes garage rock from other rock sub-styles?
Raw, lo-fi production and simple song structures
Complex arrangements
Orchestral instrumentation
Jazz influences
Which band released the album 'Abbey Road' in 1969?
The Beatles
The Rolling Stones
The Who
The Kinks
Which rock band wrote the instrumental song 'Jessica'?
The Allman Brothers Band
Lynyrd Skynyrd
ZZ Top
Molly Hatchet
Which conductor was famous for conducting without a baton?
Leopold Stokowski
Herbert von Karajan
Arturo Toscanini
Georg Solti
Which composer wrote the 'Requiem' that remained unfinished?
Wolfgang Amadeus Mozart
Johannes Brahms
Giuseppe Verdi
Franz Schubert
What is 'New Wave' music?
A style of music from the late 70s and early 80s, stemming from punk
An electronic dance music style
A form of heavy metal
A jazz fusion style
What is a 'blue note bend' on the guitar?
Bending a string to achieve a blue note
A specific chord grip
A tremolo technique
A hammer-on technique
In what year was MTV first broadcast?
1981
1979
1983
1985
Which word is a synonym of 'misanthrope'?
People hater
People's Friend
Social
Extrovert
Which compound has a different meaning than you might expect?
hot dog
school bag
coffee cup
sandwich
What is the meaning of 'munificent'?
Very generous and generous
Beautifully decorated
Impressively large
Militarily organised
What is 'among the trees' in 'He walked among the trees'?
Adverbial clause of place
Subject
Adjective
Subject
What is an antonym of 'progressive'?
Conservative
Forward
Innovative
Modern
Which composition shows a causal relationship?
sunburn
sunbed
sunflower
sunshine
Which form of 'become' is correct: 'She ... teacher'?
is
become
be
was
How many different ways are there to say 'yes' in Japanese?
More than 20
5-10
10-15
15-20
What concentration of methane has intrigued scientists on Mars?
Seasonal variations
Constant high concentration
Present only at the poles
Only in underground caves
What is the name of the point in orbit furthest from Earth?
Apogee
Perigee
Aphelium
Perihelion
Which rocket engine is used in the Falcon 9's second stage?
Merlin Vacuum
Raptor
Draco
Kestrel
How many people have ever visited the Moon?
12 people
6 people
18 people
24 people
What was the most important discovery of the WMAP mission?
Precise age and composition of the universe
First photos of exoplanets
Evidence of dark energy
Gravitational wave detection
Which planet rotates fastest on its axis?
Jupiter
Saturn
Earth
Mars
What is 'chamber pressure' in rocket engines?
Engine combustion chamber pressure
The pressure in the fuel tanks
Air pressure around the rocket during launch
Exhaust gas pressure
What is the temperature of the cosmic background radiation?
2.7 Kelvin
0 Kelvin
5.4 Kelvin
1.3 Kelvin
What is the length of the longest bus line in the Netherlands?
Approximately 100 km
Approximately 75 km
Approximately 125 km
Approximately 85 km
What road markings are used to indicate a buffer strip?
Wide continuous line with oblique shading
Double dashed line
Yellow broken line
Narrow continuous line
Which city was the first to have a fully automated traffic control system?
Houston
Detroit
Chicago
Atlanta
In which light condition is fluorescent material most effective?
Dusk and cloudy weather during the day
Complete darkness
Bright sunlight
In the case of artificial street lighting
What does a triangular road marking on the carriageway mean?
Giving priority
Dangerous turn
Traffic light follows
School nearby
What minimum radius should a curve on a motorway have?
650 metres
500 metres
800 metres
400 metres
What is the function of the ignition coil in the ignition system?
Converting low voltage to high voltage for the spark plugs
Controlling the fuel supply
Cooling the engine
Starting the engine
What is the recommended height of a bicycle helmet above the eyebrows?
2 finger widths
1 finger
3 fingers
4 fingers
How many faces does a pentagonal pyramid have?
6
5
10
7
How many metres is one parsec?
3,086 × 10¹⁶ metres
9,461 × 10¹⁵ metres
1,496 × 10¹¹ metres
7.481 × 10¹² metres
Of a €2400 purchase, 45% is paid immediately, 30% after 30 days and the rest after 60 days. How much is paid after 60 days?
€600
€720
€540
€660
An index fund has a tracking error of 0.15%. It tracks an index that is rising 8%. How much is the fund rising?
7,85%
8,15%
7,95%
8,05%
A bike computer shows 1247 km. After a 38 km ride, the reset button is accidentally pressed. The counter starts again and now shows 15 km. How many kilometres were ridden in total?
1300 km
1290 km
1310 km
1285 km
A digital currency has the following exchange rates: Monday €2.85, Tuesday +€0.23, Wednesday -€0.41, Thursday +€0.17, Friday -€0.32. What is the exchange rate on Friday?
€2,52
€2,68
€2,36
€3,18
What is the radius of the Earth at the equator in kilometres?
6378 km
6156 km
6542 km
6234 km
Which of these fractions is between ½ and ¾?
5/8
3/7
7/9
4/9
What technique is used to transport multiple VLANs over a single physical connection?
VLAN Trunking
VLAN Bridging
VLAN Routing
VLAN Switching
What is the main benefit of database sharding?
Horizontal scalability by distributing data across multiple servers
Better security through data encryption
Automatic backup of all data
Faster indexing of tables
Which protocol is usually used for API communication in cloud services?
REST over HTTPS
FTP
Telnet
SMTP
What is the main function of a DNS server?
Converting domain names to IP addresses
Web page hosting
Sending e-mails
Virus scanning
What is the function of the Northbridge chip on older motherboards?
Managing communication between CPU, RAM and GPU
Managing USB and audio connections
Regulating nutrition to different components
Taking care of BIOS/UEFI storage
What technique is used for progressive deployment strategies?
Canary releases and feature flags
Big bang deployments
Manual testing only
Rollback is impossible
What is the main function of a DNS server?
Converting domain names to IP addresses
Encrypting internet traffic
Saving web pages for faster access
Distributing internet bandwidth
What unit is used to measure the resolution of digital images?
Pixels
Bytes
Bits
Hertz
What is the half-life of a radioactive substance?
The time when half the atoms decay
The time when all atoms decay
The time in which a quarter of atoms decay
The time in which three quarters of atoms decay
Which principle explains why a thermos bottle insulates well?
Vacuum prevents conduction and convection
Prevention of radiation only
Prevention of conduction only
Prevention of convection only
What is the difference between latent and sensible heat?
Latent heat causes no temperature change
Latent heat is always greater
Tactile heat cannot be measured
There is no difference
Which process describes a temperature change without a pressure change?
Isobar process
Isothermal process
Isochore process
Adiabatic process
What is the theoretical resolution limit of a light microscope?
Approximately 200 nanometres
Approximately 20 nanometres
About 2 micrometres
About 2 millimetres
At what temperature does helium become superfluid?
2,2 K
4,2 K
0,9 K
77 K
What happens to the temperature of a gas during free expansion in vacuum?
The temperature remains the same for an ideal gas
The temperature always drops
The temperature is always rising
Temperature doubles
A charged particle moves parallel to the field lines of a homogeneous magnetic field. What force does it experience?
No magnetic force
Maximum magnetic force
A force proportional to speed
A force perpendicular to the direction of motion
What substance gives vanilla its characteristic smell?
Vanillin
Cinnamaldehyde
Eugenol
Limonene
What substance gives ginger its pungent flavour?
Gingerol
Capsaicin
Piperine
Allicin
What is the product of the reaction between ethylene and bromine?
1,2-dibromoethane
1,1-dibromoethane
Bromoethylene
Tribromethane
What is the Miller index for the plane parallel to all three crystal axes?
This plane does not exist
(000)
(∞∞∞)
(111)
Which fat chain characterises linoleic acid?
C18:2 (omega-6)
C18:3 (omega-3)
C16:1 (omega-7)
C20:4 (omega-6)
What is the function of phosphate in meat products?
Moisture binding and texture enhancement
Conservation
Colour stabilisation
Flavour enhancement
Which quantum numbers describe the shape of an orbital?
l (azimuthal)
n (main quantum)
ml (magnetic)
ms (spider)
What is the name of the process by which polymers are broken down?
Depolymerisation
Condensation
Vulcanisation
Copolymerisation
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Frequently asked questions
A treasure hunt for 17-18 years is a GPS walk with questions specially tailored to this level. The questions are fun, educational and appropriate for the age group.
On average, a scavenger hunt takes 45 to 90 minutes, depending on the number of locations and walking distance. Ideal for an afternoon out.
Yes, the questions are educational and tailored to the level of knowledge. Children learn while moving outdoors and having fun.