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Black Holes treasure hunt

Black holes are among the most mysterious objects in our universe. These cosmic monsters with their extreme gravity have fascinated scientists and space enthusiasts for decades. Discover the secrets of these invisible giants via an interactive GPS scavenger hunt.

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Made 2 days ago: Enkhuizen city walk in Enkhuizen

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Featured this week: example questions for Black Holes

New example questions from the library every Monday. Updated on 12 October 2026.

What is the smallest thing a black hole can be?
As small as a ping-pong ball but very heavy As big as a house As big as a tree As big as an elephant
Does a black hole rotate?
Yes, it spins like a top No, it stands still It hops up and down It swings back and forth
How fast does the stuff spin around a black hole?
Very fast Very slow It stands still It is deteriorating
Can people go into a black hole?
No, that's far too dangerous Yes, if they wear helmets Only on their birthday Alone with mum and dad
Are there black holes in our galaxy?
Yes, very much No, none Only one Mondays only
What is at the centre of our galaxy?
A very big black hole A big cake A playground A swimming pool
What is very strong about a black hole?
The suction power The wind The rain The cold
Have scientists taken a picture of a black hole yet?
Yes, a picture of the light ring around it No, never Black-and-white photos only Photos of the back only
Create a black holes treasure hunt for Ages 3-4
Where are black holes?
Far away in space On the moon In the sea In the forest
Can astronauts visit a black hole?
No, it is far too dangerous Yes, they go there every week Only with a parachute Only in summer
What causes space to bend at a black hole?
Due to the heavy mass of the black hole By the wind Through the rain By magnets
Which scientist coined the name 'black hole'?
A clever scientist long ago An astronaut A pilot A teacher at school
What is the name of the galaxy we live in?
The Milky Way The Sugar Road The Biscuit Road The Toy Way
What is the gravity of a black hole?
Very strong, much stronger than on Earth Very weak As strong as on earth There is no gravity
What is a supermassive black hole?
A very big black hole A black hole that can lift very heavy A black hole with muscles A black hole doing sports
Is there a black hole near our sun?
No, the sun is just a star Yes, the sun is a black hole Only at night Only in winter
Create a black holes treasure hunt for Ages 5-6
What is a black hole?
A place in space from which nothing can escape A big black planet A hole in a spaceship A dark moon
Can we see a black hole with our eyes?
No, because it is all black Yes, it is very clear Only at night Only with a magnifying glass
Can stars survive a black hole?
Sometimes, if they stay far enough away No, never Yes, always Yellow stars only
What can NOT escape from a black hole?
Light Sound Smell Cold
What is the difference between a black hole and a star?
A star gives light, a black hole does not There is no difference A star is black A black hole is hotter
What do we call very small black holes?
Stellar black holes Baby black holes Mini black holes Small black dots
What sometimes sends a black hole into space?
Rays of energy Love notes Gifts Footballs
What does a black hole eat?
Stars, gas and dust from space Pizza and burgers Green vegetables only Water and milk
Create a black holes treasure hunt for Ages 7-8
What happens to light when it gets too close to a black hole?
It can no longer escape It gets brighter It changes colour to red It is going to move faster
What do scientists call a black hole that eats material from a nearby star?
An X-ray double star A star vampire A hungry hole A binary star
How can scientists 'see' black holes if they don't emit light?
Because of the hot gas around it that does emit light With special black-hole glasses By looking very hard at space They make sounds we can hear
What would happen if you fell into a black hole?
You would be stretched like spaghetti You would turn into a robot You would turn green You could fly
What is Hawking radiation?
Very weak energy vaporising black holes Light shining very brightly Sound that black holes make Warmth of stars
Which scientist predicted the existence of black holes?
Albert Einstein Isaac Newton Galileo Galilei Stephen Hawking
How many times heavier than our sun can a black hole be?
Millions of times heavier About the same weight Up to 10 times heavier Always brighter than the sun
Which famous scientist wrote a lot about black holes?
Stephen Hawking Marie Curie Charles Darwin Nikola Tesla
Create a black holes treasure hunt for Ages 11-12
What is the name of the hypothetical radiation that black holes would emit?
Hawking radiation Schwarzschild radiation Kerr radiation Penrose radiation
What shape is the 'shadow' of a black hole as observed by the Event Horizon Telescope?
Almost circular with a bright ring Perfect black circle without structure Elliptical with spiral pattern Irregular with multiple rings
Which astronomer won the Nobel Prize in 2020 for proving a supermassive black hole at our galactic centre?
Andrea Ghez and Reinhard Genzel Kip Thorne and Barry Barish Roger Penrose and Stephen Hawking Rainer Weiss and Ronald Drever
What happens to the Hawking temperature when a black hole loses mass?
Temperature rises Temperature drops Temperature remains constant Temperature oscillates
Which property of black holes is measured in dimensionless units from 0 to 1?
Spin parameter (a) Mass Load Temperature
Which force becomes dominant close to the event horizon of a black hole?
Tidal forces Electromagnetic forces Weak nuclear force Strong nuclear force
Which theory best describes the behaviour of matter and energy around black holes?
General theory of relativity Special theory of relativity Newtonian mechanics Quantum mechanics
What colour would you see if you looked at matter falling into a black hole from a safe distance?
Red-shifted to invisible Blue-shifted Constant white light Green by gravitational lensing
Create a black holes treasure hunt for Ages 18+

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Frequently asked questions

A Black Holes scavenger hunt is a GPS-guided outdoor activity with quiz questions about Black Holes, part of the theme Space. You walk a route past various locations and answer fun questions along the way.

There are 1647 questions available about Black Holes: 1647 multiple choice questions, 0 open questions and 0 assignments. The category Space has more than 42905 questions in total.

There are Black Holes questions for all ages: from 3-5 years (toddlers) to 20+ (adults). The questions are automatically adapted to the chosen level.

Go to oppatt.io, create a free account, choose the theme Space and select Black Holes as the topic. Choose an age category and location, and you'll have a complete scavenger hunt within a minute.