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Earth Science Astronomy Review
Earth Science Astronomy Review
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7th Grade Earth Science Intro to Astronomy review
Flashcards
32 cards
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Practice quiz
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Questions
32
Answers
1
Which of the following is true about X ray and radio radiation from objects in space?
Separate space based telescopes are needed to observe each.
Both can be observed with the same telescope
Separate Earth based telescopes are needed to observe each.
Separate telescopes are needed, but one must be in space.
2
It takes 34 years for light from a star to reach us, how far away is the star?
34 light years
34 miles
34 star years
34 km
3
The _________ is the apparent path of the sun across the celestial sphere.
ecliptic
zenith
celestial equator
vernal equinox
4
In ancient civilizations, studying the sky was mainly used to
understand the gods
predict the end of the universe
keep track of the seasons
understand the universe
5
Circumpolar stars can be seen all night long during the entire year because they are
the brightest stars
magnetically polar
above the Earth's axes
circular in appearance
6
Right ascension is a measure of how far east an object in the sky is from
the vernal equinox
the moon
the observer
Venus
7
Each time Earth orbits the sun, another _________ has passed.
hour
day
year
month
8
The names of constellations do not vary from culture to culture.
Yepers!
WRONG!
9
Which of these is not evidence that ancient civilizations studied astronomy?
Greek sea maps
Mayan Buildings
Stones at Nabta
Stonehenge
10
What are most calendars based on?
When it gets hot and cold
The positions of the sun and the moon.
Ancient myths.
The spin of the earth.
11
The star located at 23 h and -30
o
is circled in
green
red
purple
blue
12
The first person to explain why planets orbit the sun was
Copernicus
Newton
Galileo
Kepler
13
A gamma ray telescope is not used on Earth because gamma rays are
distorted by the Earth's winds
blocked by the Earth's atmosphere.
very dangerous to humans
destroyed by the Earth's magnetic field
14
Telescopes that work grounded on the Earth include all of the following except
reflecting telescopes
refracting telescopes
radio telescopes
X-ray telescopes
15
_________ is the measure how far north or south an object is from the celestial equator.
elevation
altitude
declination
right ascension
16
A reflecting telescope collects and focuses ___________ using _____________.
all radiation, mirrors
visible light, mirrors
visible light, lenses
all radiation, lenses
17
The stars that you see in the sky depend on
All of the above
the time of night
your latitude
the time of year
18
The first scientist to successfully use a telescope to observe the night sky was
Tycho
Galileo
Kepler
Herschel
19
Ursa Minor and Ursa Major are examples of
galaxies
small and big telescopes
constellations
radiation detectors
20
Which of the following civilizations directly affected the development of our modern calendar?
Polynesians
Romans
Mayans
Chinese
21
According to _________, the Earth is the center of the universe.
None of the above
Ptolomaic theory
Galileo's theory
Copernicus's theory
22
What makes it hard to view stars from Earth?
The atmosphere
Water Vapor
Light pollution
All of the above
23
Kepler found that the sun
has sunspots
is not the exact center of a planet's orbit
is the exact center of the universe
eclipses with the moon
24
The altitude of an object in the sky is its angular distance
from the zenith
above the horizon
from the prime meridian
from the north celestial pole
25
Astronomers divide the sky into
galaxies
zeniths
constellations
phases
26
An advantage of reflecting telescopes over refracting telescopes is that
mirrors only reflect some colors of light for better focus
they use lenses to focus light
mirror sizes are all the same for ease of use
flaws in the glass do not affect the incoming light
27
Which of these would be shorter if Earth rotated faster?
days
weeks
years
months
28
The human eye can detect all forms of radiation.
Yes it can!
No way!
29
An eclipse occurs
on the summer solstice
when the sun, Earth and moon are in a line
when the planets are all in a line
on the longest day of the year
30
Copernicus's theory was unpopular when he first proposed it because he stated that the sun was
the center of the solar system
an average star
a source of energy
about 93 million miles away
31
The length of the day is based on
the rotation of the Earth on its axis
the moon orbiting the Earth
the Earth orbiting the sun
the rotation of the moon on its axis
32
What was Copernicus's Theory about the structure of the universe?
The moon is the center and everything revolves around it.
The earth is the center and everything revolves around it.
The sun is the center and everything revolves around it.
Earth is the center. But the planets revolve around the sun.
