Questions & Answers
Browse all 18 questions from the
Tiny Tech Wonders study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
How small is a nanometer compared to a meter?
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A
It is one thousandth
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B
It is one millionth
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C
It is one billionth
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D
It is one hundredth
2
Which tool do scientists use to see objects as small as atoms?
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A
A magnifying glass
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B
An electron microscope
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C
A pair of binoculars
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D
A standard camera
3
If you shrunk a marble to the size of a nanometer, how big would the Earth become?
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A
The size of a marble
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B
The size of a city
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C
The size of a house
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D
The size of a car
4
What is the material made of carbon atoms shaped like a tiny tube called?
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A
Carbon straw
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B
Carbon nanotube
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C
Carbon pipe
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D
Carbon fiber
5
Why do some materials change color when they are made into nanoparticles?
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A
They get dirty
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B
They interact with light differently
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C
They are painted
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D
They get hot
6
Which natural surface is famous for using nanostructures to stay dry and clean?
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A
A rose petal
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B
A lotus leaf
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C
An apple skin
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D
A blade of grass
7
What do scientists call a particle that is between 1 and 100 nanometers in size?
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A
A gigaparticle
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B
A megaparticle
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C
A nanoparticle
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D
A microparticle
8
Nanotechnology is used in some sunscreens to do what?
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A
Make them smell like flowers
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B
Help them absorb invisible UV rays
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C
Make them sparkle
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D
Make them taste sweet
9
What makes gold appear a different color at the nanoscale?
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A
It becomes magnetic
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B
It turns into liquid
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C
It changes how it reflects light
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D
It becomes radioactive
10
What part of a gecko's body uses nanotechnology to help it climb walls?
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A
Its sticky saliva
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B
Tiny hairs on its feet
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C
Its sharp claws
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D
Its suction cup tail
11
Which field of science does nanotechnology combine?
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A
Biology, physics, and chemistry
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B
Only math and art
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C
Only geography
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D
Only history
12
What is one way nanotechnology helps in medicine?
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A
It makes pills taste like chocolate
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B
It helps deliver medicine to specific cells
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C
It makes doctors see in the dark
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D
It allows pills to fly
13
What happens to the strength of some materials when they are made into nanomaterials?
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A
They become very weak
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B
They become much stronger
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C
They melt instantly
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D
They disappear
14
What are atoms, the building blocks of everything, often compared to in size?
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A
Boulders
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B
Grains of sand
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C
Invisible specks
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D
Tennis balls
15
Which invention allowed scientists to first 'see' atoms?
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A
The telescope
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B
The scanning tunneling microscope
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C
The kaleidoscope
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D
The periscope
16
How do we describe the size of things studied in nanotechnology?
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A
Macro
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B
Micro
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C
Nano
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D
Giga
17
What is a 'nanobot' intended to be?
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A
A very large robot for construction
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B
A robot the size of a car
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C
A robot that is incredibly tiny
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D
A robot that only plays games
18
What do we call the study of the very, very small?
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A
Nanotechnology
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B
Astronomy
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C
Geology
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D
Botany