Ch 26 Astronomy
Astronomy
Waves
Seasons
Terms
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Tools
True or False: ground based
telescopes do not experience
interference from Earth’s
atmosphere
Answer
False
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Instrument that detects invisible radio
waves from objects in space
Answer
radiotelescope
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Instrument that uses a set
of lenses to gather and
focus light
Answer
Refracting telescope
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A constellation’s change in
position over several
HOURS is caused by _____
Answer
Earth’s rotation
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Telescope used by Galileo
to see craters on the moon
for the first time
Answer
Refracting telescope
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All frequencies or wavelengths
of electromagnetic radiation
are called ______
Answer
The electromagnetic
spectrum
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Name a color that has a
visible wavelength
Answer
ROYGBV
(red, orange, yellow,
green, blue, violet)
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Which instrument was
electromagnetic
radiation discovered
with?
Answer
A thermometer
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Which rays are the
strongest and shortest
waves?
Answer
Gamma rays
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True or False: Infrared
has a visible wavelength
Answer
False
.
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Daily Double!!!
During which season
does the Northern
Hemisphere have the
most sunlight?
Answer
Summer solstice
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What season is the autumnal equinox?
Answer
Fall
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The beginning of spring is
marked by which equinox?
Answer
Vernal
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The Northern Hemisphere
has the fewest daylight
hours during the ____.
Answer
Winter Solstice
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Daily Double!!
In the orbit of a planet,
the point where it is
closest to the sun is
known as what?
Answer
Perihelion
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Event in which the universe
was said to have begun
Answer
Big Bang Theory
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An astronomical unit is
about how many million
kilometers?
Answer
150 million km
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What is a large
collection of stars,
dust and gas bound
together by gravity?
Answer
Galaxy
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This is equal to the
average distance
between the Earth and
the Sun
Answer
An AU (astronomical unit)
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When the orbit of a planet is furthest
from the Sun
Answer
Aphelion
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Bonus!! Double Points!
In what year did man land
on the moon?
Answer
1969
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True or False: The Coriolis
Effect is evidence that the
Earth spins on its axis
Answer
True
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True or False: Telescopes are
sent to space because they
experience interference from
the Earth’s atmosphere
Answer
True
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True or False: A
constellations changing
position in the sky over a
period of several
weeks/months is proof Earth
revolves around the sun
Answer
True
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Unit that equals 9.46 x 1012
km
Answer
Light-year
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