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Telescopes
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9th - 12th grade
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Other Sciences
4 years ago by
craniumfire
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Telescopes
DRAFT
4 years ago by
craniumfire
9th - 12th grade
Other Sciences
Played 1134 times
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72% average accuracy
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20 questions
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Question 1
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Q. Who invented the telescope?
answer choices
Galileo
Plato
Ptolemy
it's unknown
Galileo
alternatives
Plato
Ptolemy
it's unknown
answer explanation
Question 2
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Q. What was Galileo's contribution to the telescope?
answer choices
He invented it
He patented it
He discovered it
He promoted it
He invented it
alternatives
He patented it
He discovered it
He promoted it
answer explanation
Question 3
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Q. This instrument can be thought of as a large light bucket
answer choices
your eyes
a lens
a telescope
a satellite dish
your eyes
alternatives
a lens
a telescope
a satellite dish
answer explanation
Question 4
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Q. The "collector", or "light-gathering part" of the telescope is called the _____
answer choices
objective
ocular
eye piece
refractor
objective
alternatives
ocular
eye piece
refractor
answer explanation
Question 5
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Q. If the collector is made 10 times wider, how much more light is collected?
answer choices
2 times more
10 times more
20 times more
100 times more
2 times more
alternatives
10 times more
20 times more
100 times more
answer explanation
Question 6
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Q. When light passes through a lens, it _____
answer choices
reflects
is absorbed
bounces
changes direction
reflects
alternatives
is absorbed
bounces
changes direction
answer explanation
Question 7
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Q. The bending of light through a lens is called _____
answer choices
reflection
refraction
diffraction
absorption
reflection
alternatives
refraction
diffraction
absorption
answer explanation
Question 8
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Q. When the light comes to a focus, using a refracting telescope, it is _____
answer choices
upside-down, and flipped left and right
only flipped left and right
only upside-down
unchanged
upside-down, and flipped left and right
alternatives
only flipped left and right
only upside-down
unchanged
answer explanation
Question 9
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Q. The image, observed in a telescope, is _____
answer choices
bigger than the object
the same size as the object
slightly smaller than the object
much smaller than the object
bigger than the object
alternatives
the same size as the object
slightly smaller than the object
much smaller than the object
answer explanation
Question 10
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Q. The ability to separate two objects that are very close together, is called the _____
answer choices
orientation
attitude
magnification
resolution
orientation
alternatives
attitude
magnification
resolution
answer explanation
Question 11
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Q. In general the bigger the telescope's objective the better your _____
answer choices
resolution
magnification
attitude
orientation
resolution
alternatives
magnification
attitude
orientation
answer explanation
Question 12
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Q. Telescopes that use mirrors are called _____
answer choices
refractors
reflectors
catadioptric
resolving
refractors
alternatives
reflectors
catadioptric
resolving
answer explanation
Question 13
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Q. Who was the first to develop reflecting telescopes?
answer choices
Nicolaus Copernicus
Isaac Newton
Galileo Galilei
Tycho Brahe
Nicolaus Copernicus
alternatives
Isaac Newton
Galileo Galilei
Tycho Brahe
answer explanation
Question 14
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Q. What do modern professional-grade optical telescopes use as their objective?
answer choices
lenses
mirrors
electronic detectors
photographic film
lenses
alternatives
mirrors
electronic detectors
photographic film
answer explanation
Question 15
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Q. According to Phil, "the problem with astronomers" is getting them to _____
answer choices
show you their telescope
talk about astronomy
stop talking about astronomy
host a star party
show you their telescope
alternatives
talk about astronomy
stop talking about astronomy
host a star party
answer explanation
Question 16
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Q. Who discovered infrared light, a kind of light invisible to our eyes?
answer choices
Robert Hooke
Isaac Newton
Galileo Galilei
William Herschel
Robert Hooke
alternatives
Isaac Newton
Galileo Galilei
William Herschel
answer explanation
Question 17
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Q. What kind of detector is used for radio waves?
answer choices
a refracting telescope
a metal dish
a reflecting telescope
a digital camera
a refracting telescope
alternatives
a metal dish
a reflecting telescope
a digital camera
answer explanation
Question 18
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Q. Our eyes act like movie cameras, taking pictures at a frame rate of about _____
answer choices
1.4 images per second
14 images per second
140 images per second
1,400 images per second
1.4 images per second
alternatives
14 images per second
140 images per second
1,400 images per second
answer explanation
Question 19
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Q. Photographs allow us to see fainter objects by taking long _____
answer choices
wavelength
exposures
body tubes
frame rates
wavelength
alternatives
exposures
body tubes
frame rates
answer explanation
Question 20
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Q. Which detectors are dozens of times more light-sensitive than film?
answer choices
your eyes
digital detectors
computers
mirrors
your eyes
alternatives
digital detectors
computers
mirrors
answer explanation
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