Radiation treasure hunt
Radiation is all around us, but often invisible and mysterious. Our GPS treasure hunt will introduce you to the fascinating world of electromagnetic radiation, radioactivity and the role of radiation in our daily lives.
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Made 2 days ago: Enkhuizen city walk in Enkhuizen
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Be the first to create a physics treasure huntFeatured this week: example questions for Radiation
New example questions from the library every Monday. Updated on 12 October 2026.
Which animal has beautiful colours on its feathers?
A peacock
A mouse
A fish
A worm
What do you see when you hold a stick in water?
He seems broken
He turns green
He disappears
He gets bigger
Which flower rotates with the sun?
A sunflower
A rose
A tulip
A daisy
When do you see your shadow best?
When the sun shines
When it rains
When it is cloudy
At night
What does a mirror do with light?
It bounces it back
It eats it up
It makes the green
It clogs up the
What is the colour of sunlight through green leaves?
Green
Red
Blue
Purple
What do you see when you look through a prism?
All colours of the rainbow
Black only
White only
Nothing
What happens to a plant without sunlight?
He gets sick
He gets bigger
He turns blue
He will sing
Why do sunflower animals have their names?
They rotate with the sun
They are yellow
They are big
They smell nice
What gets hot when you put it in the sun?
A stone
A butterfly
A cloud
The sky
Which animal sleeps during the day because it cannot tolerate light?
A bat
A dog
A cat
A bird
What do you see when you shine a torch on the wall?
A circle of light
A bird
A flower
A car
What do you call light bouncing off something?
Reflection
Shadow
Heat
Wind
What is ultraviolet light?
Invisible light from the sun
Blue light from the moon
Green light from plants
Red light from cars
Why does the sun look yellow?
Through the air around the earth
Because it is made of cheese
Because he is old
Because he is small
What happens when you hold your hand in front of a lamp?
You see the shadow of your hand
Your hand turns green
The lamp goes out
Your hand gets smaller
Which colour reflects back the most solar radiation?
White
Black
Red
Green
What radiation from the sun makes you tan?
UV radiation
Infrared radiation
Radiation
X-ray
Why does a light bulb glow?
Because a wire gets very hot
Because it contains gas
Because the glass is special
Because it contains water
What is a hologram?
A three-dimensional light image
A kind of mirror
A coloured lamp
A plastic plate
Why are stars visible at night but not during the day?
Because the sunlight is too bright during the day
Because stars sleep during the day
As stars disappear during the day
Because the air is heavier during the day
Which colour has the warmest radiation from the sun?
Red
Blue
Green
Yellow
What happens when you put a black object in the sun?
Getting hot
It turns white
Getting cold
It becomes transparent
What is the most dangerous thing about too much solar radiation?
You can burn
Your hair is falling out
You are getting too tall
You get blue eyes
Which property does gamma radiation NOT have?
Mass
Energy
Speed
Frequency
What happens in the Compton effect?
X-rays collide with electrons
Light is absorbed by atoms
Electrons are emitted from metal
Atoms disintegrate into smaller parts
What material is used to stop beta radiation?
A few millimetres of aluminium
A sheet of paper
Metres of concrete
Centimetres of lead
What effect makes the sun dangerous for our skin?
UV radiation
Infrared radiation
Visible light
Radio waves
What is measured by a Geiger counter?
Radioactivity
Temperature
Brightness
Noise level
Which element is often used in dating using radioactivity?
Carbon-14
Iron-56
Oxygen-16
Helium-4
What is the penetration depth of alpha radiation in air?
A few centimetres
A few metres
A few kilometres
A few millimetres
What is the unit for absorbed radiation dose?
Gray
Pascal
Tesla
Coulomb
How much energy does a photon with a frequency of 6.0 × 10¹⁴ Hz have? (h = 6.6 × 10⁻³⁴ J·s)
4.0 × 10⁻¹⁹ J
4.0 × 10⁻²⁰ J
3.6 × 10⁻¹⁹ J
3.6 × 10⁻²⁰ J
Which type of radiation is used in PET scans?
Positrons
X-rays
Neutrons
Alpha particles
Which factor mainly determines the color of a star?
Its surface temperature
The mass of the star
The distance to Earth
The age of the star
What is the main cause of redshift in distant galaxies?
The expansion of the universe
Motion through space
The gravity of other objects
Absorption by interstellar gas
What is the unit of equivalent dose?
Sievert
Gray
Becquerel
Coulomb per kilogram
Which effect occurs when light comes from a moving source?
Doppler effect
Compton effect
Zeeman effect
Stark effect
What happens when alpha radiation passes through paper?
It is stopped completely
It is partially stopped
It passes through without any weakening
It is reflected
What is the work function of a material?
The minimum energy needed to remove an electron
The maximum energy an electron can have
The average kinetic energy of electrons
The energy released during electron capture
Which law describes the wavelength at which a black body emits the most energy?
Wien's shift law
Planck's law
Stefan-Boltzmann law
Bear-Lambert Law
What type of radiation is used in radiotherapy for cancer?
Gamma radiation and X-rays
Alpha radiation only
Visible light only
Infrared radiation
Which factor mainly determines the penetration depth of radiation into matter?
The energy of radiation
The colour of the material
The temperature of the material
The magnetic properties
Which theorem describes the relationship between energy and frequency of a photon?
E = hf
E = mc²
E = ½mv²
E = hc/λ²
What happens in pair formation?
A photon is converted into an electron-positron pair
Two photons merge into one photon
An electron and positron annihilate
A core splits into two parts
What happens to the intensity of ionising radiation if you double the distance from the source?
The intensity becomes 4 times smaller
The intensity becomes 2 times smaller
The intensity becomes 8 times smaller
Intensity remains the same
Which physicist predicted the existence of the positron?
Paul Dirac
Albert Einstein
Niels Bohr
Werner Heisenberg
Which phenomenon explains why the sky is blue?
Rayleigh scattering
Mie scatter
Compton scatter
Thomson scattering
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Frequently asked questions
A Radiation scavenger hunt is a GPS-guided outdoor activity with quiz questions about Radiation, part of the theme Physics. You walk a route past various locations and answer fun questions along the way.
There are 2933 questions available about Radiation: 2933 multiple choice questions, 0 open questions and 0 assignments. The category Physics has more than 50187 questions in total.
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