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Astronomy
Astronomy
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Astronomy
Flashcards
51 cards
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Questions
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Answers
1
The Milky Way galaxy we live in is a spiral galaxy rather than an elliptical galaxy because
its stars are all about the same age.
it has curved arms.
new stars are no longer forming.
it does not show any rotation.
2
This law states an object at rest will stay at rest and an object in motion will stay in motion
Newton's Law of Inertia
Centripetal Force
Tensional Force
Gravitational Force
3
This space object is made out of frozen water and rock.
Comet
Meteoroid
Asteroid
Star
4
Which correctly lists the gaseous
outer
planets?
Saturn, Jupiter, Venus, Mars
Jupiter, Saturn, Uranus, Neptune
Venus, Mars, Uranus, Neptune
Mercury, Venus, Earth, Mars
5
The diagram below illustrates which scientific theory?
Heliocentric Theory
Geocentric Theory
Big Bang Theory
Theory of Evolution
6
Which % best describes the visibility of a waxing crescent? (Hint: a full moon is 100% visible)
1%-49%
0%
51%-99%
50%
7
The force that keeps a communications satellite in orbit around Earth is
electricity.
gravity.
magnetism.
friction.
8
Which of the following planets has the
shortest year
measured in Earth time?
Mercury
Jupiter
Earth
Pluto
9
Which is made primarily of pieces of rock or iron that enter Earth's atmosphere?
Solar Flares
Asteroids
Comets
Meteorites
10
Which of the following planets has the
longest day
measured in Earth time?
Neptune
Mercury
Venus
Mars
11
A comet is largely made up of
water and ice.
rock.
petroleum.
iron and nickel.
12
When the Sun, Moon, and Earth are in the same line as shown, which of the following can occur?
The Earth's rotation would increase.
A lunar eclipse.
A solar eclipse.
The Moon would get pulled closer to Earth.
13
Each year, Earth
revolves
once around
Mars.
the Moon.
the Sun.
Venus.
14
Which planet do scientists think once had surface water or flowing rivers?
Jupiter
Venus
Mercury
Mars
15
The asteroid belt can be found between
Earth and the Moon.
Neptune and Pluto.
Earth and Sun.
Mars and Jupiter.
16
Which conclusion should be drawn from this chart?
The outer planets move slower because they have many moons.
The planets closer to the Sun travel around the Sun faster.
The outer planets move slower because they are larger.
Planets closer to the Sun absorb more of the Sun's energy.
17
A solar eclipse occurs when
Earth blocks the Moon from the Sun.
the Moon blocks Earth from the Sun.
the last four planets are in a line.
the first four planets are in a line.
18
When a star like the Sun runs out of hydrogen in its center, it evolves into a
blue straggler.
supernova.
red giant.
yellow dwarf.
19
The diagram below illustrates which scientific theory?
Theory of Evolution
Geocentric Theory
Heliocentric Theory
Big Bang Theory
20
Look at the diagram below. Which phase of the Moon would be seen by people on Earth?
full moon
new moon
waxing gibbous
waning gibbous
21
Which correctly lists the rocky
inner
planets?
Jupiter, Saturn, Uranus, Neptune
Mercury, Venus, Earth, Moon
Pluto, Saturn, Mercury, Mars
Mercury, Venus, Earth, Mars
22
Why is the average temperature in Atlanta higher in June than in December?
Earth is closer to the Sun in June than in December.
The atmosphere in ATL absorbs more heat from the Sun in June
The Sun is hotter during June than it is during December.
Earth's axis is tilted to Sun in June & away in December.
23
A characteristic of gaseous outer planets is that they have
no density.
a density greater than Earth's.
a density less than the Earth.
a density same as the Earth.
24
Which of the following words means "increasing" when talking about the moon phases?
waxing
waning
diminishing
rising
25
The diagram below illustrates what motion of the Earth?
Earth's revolution
Earth's alternation
Earth's rotation
Earth's constellation
26
Which planet is has thick cloud cover, greenhouse effect, vast plains, and high mountains?
Neptune
Saturn
Venus
Uranus
27
Which of the following planets has the
shortest day
measured in Earth time?
Pluto
Mercury
Earth
Jupiter
28
What is the scientific name for a "
shooting star
" that
burns up
in the Earth's atmosphere?
Meteor
Asteroid
Comet
Space Rock
29
What would happen to the length of a day if the rotation of Earth sped up?
The length of a day would be unpredictable.
The length of a day would remain the same.
The length of a day would be longer.
The length of a day would be shorter.
30
How does the effect of the Sun's gravity on Pluto compare to the Sun's gravity effect on Earth?
Sun has more gravity pull on Pluto because it is smaller.
The Sun has the same gravitational pull on all planets.
Sun has less gravity pull on Pluto because it's farther away
Sun has less gravity pull on Earth because it is closer.
31
Venus, the
2nd
planet, has the highest temperature of all planets in our solar system.
Why?
Venus's atmosphere has thick clouds and carbon dioxide.
Venus rotates on its axis very slowly.
Venus is very close to the Sun.
Venus revolves around the Sun relatively quickly.
32
Which is the largest planet?
Saturn
Earth
Jupiter
Mars
33
How is the outer planet Saturn different from the inner planet Earth?
Earth has a moon, Saturn does not.
Earth is made mostly of rock, while Saturn is made of gases.
Saturn is closer to the Sun.
Saturn is smaller than Earth.
34
Sedimentary rocks are not found on the Moon because
there is no silicon on the moon.
lava flow is missing from the moon.
there is no weathering on the moon.
the moon's gravity is too weak.
35
Why does the Moon orbit Earth instead of the Sun?
Gravity depends on distance and the Moon is closer to Earth.
The Moon used to be part of Earth so it must orbit Earth.
Only large objects orbit around the Sun.
The Moon is moving too fast and cannot change its orbit.
36
Why are tides continually rising and lowering every day?
because rates of evaporation are constantly changing.
because the position of the Moon is constantly changing.
because deep ocean currents are constantly changing.
because the direction of the wind is constantly changing.
37
Venus is covered in clouds that hide its surface. Which statement is true about these clouds?
They are caused by volcanoes.
They are mostly just rain clouds.
They produce poisonous acid rain.
They keep the surface cool.
38
A hurricane-type cloud known as the Great Red Spot can be found on which planet?
Mars
Saturn
Uranus
Jupiter.
39
How does the gravity on the Moon compare to the gravity on Earth?
There is more gravity on the moon.
Gravity is the same wherever you are.
There is less gravity on the moon.
Gravity depends on each person.
40
Footprints made by astronauts on the Moon in 1969 are still there. Which reason explains this?
Time passes much slower on the Moon.
The astronauts stomped into the ground REALLY REALLY hard!
The dust on the Moon hardened into stone.
The Moon has no wind or rain.
41
What causes the planets to orbit the Sun rather than drift off into space?
Heat energy from the sun
Mommentum
The force of magnetism
The force of gravity
42
Astronomers usually measure the distance from Earth to the Moon in
fathoms.
kilometers.
meters.
light years.
43
Which planet is characterized by a pink sky, a red rust-colored surface, and large volcanoes?
Pluto
Uranus
Mars
Saturn
44
During the first day of which season does Georgia experience its
longest day
?
Winter
Fall
Spring
Summer
45
Why is Venus always near the Sun when viewed from Earth?
Venus is visible only when its orbit gets close to the Sun.
Venus's orbit is closer to the Sun than Earth's orbit.
Venus orbits the Sun, which orbits Earth.
Venus orbits Earth, which orbits the Sun.
46
Which number in the diagram represents a "new moon"?
5
1
7
3
47
What is a hypothesis?
a law of science
an undisputed fact
an idea that can be tested with an experiment & observation
a speculation not based on observations
48
What do scientists observe to determine the temperature and composition of stars?
the speed at which stars are moving.
the light and color radiated from the stars.
the positions of the stars in the galaxy.
the proximity of the stars to each other.
49
The picture below illustrates which scientific theory related to the creation of our universe?
Theory of Evolution
Big Bang Theory
Geocentric Theory
Heliocentric Theory
50
What event does the picture show?
solar eclipse
full moon
lunar eclipse
quarter moon
51
Which planet has gases, land masses, and large amounts of surface water?
Mars
Pluto
Venus
Earth
