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Astronomy Review
Astronomy Review
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6th grade review of basic astronomy
Flashcards
50 cards
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Practice quiz
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Host live
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Questions
50
Answers
1
What is it called when the phase of the Moon appear to get larger?
rotating
revolving
waning
waxing
2
The geocentric theory states that
stars are moving away from Earth.
all planets revolve around the sun.
all objects revolve around Earth.
only the moon revolves around Earth.
3
The order of the inner planets outward from the sun is __________
Mercury, Earth, Venus, Mars
Mars, Venus, Earth, Mercury
Mercury, Venus, Earth, Mars
Earth, Venus, Mars, Mercury
4
A huge galaxy with a bulge in the middle and arms that spiral outward in a pinwheel pattern is
globular galaxy
elliptical galaxy
spiral galaxy
irregular galaxy
5
What keeps the planets in orbit around the sun?
The sun's rotation
The sun's gravitational pull
The sun's heat
6
Large pieces of space rock with irregular shapes are called _______.
Asteroids
Meteors
Comets
Dwarf planets
7
Astronomers theorize that the universe began in an enormous explosion called the
solar nebular
supernova
big bang
big crunch
8
Which is the 5th planet away from the sun in our solar system or the first outer planet?
Saturn
Jupiter
Uranus
Mars
9
Which of the following planets does not have any moons?
Uranus
Mars
All of the above.
Mercury
10
The model with the Sun at the center, is called the _________ model.
Heliocentric
Copernican
Geocentric
Kepler
11
Which planet has extreme temperatures because it does not have an atmosphere?
Saturn
Mercury
Earth
Jupiter
12
What is a galaxy?
a group of comets
a large group of stars held together by gravity
a system of planets orbiting the stars
a system of a planet and its moon
13
Which these is NOT a planet?
Pluto
Earth
Mercury
Neptune
14
What is NOT a danger to consider when exploring space?
Gravity
Radiation
Meteroids
Food shortage
15
Which of the following planets is NOT a terrestrial planet?
Jupiter
Mars
Earth
Mercury
16
The __________ planets are small and dense and have rocky surfaces.
Moon
Outer
Gas Giants
Inner
17
The length of time it takes Earth to rotate once on its axis is called a
Season
Month
Year
Day
18
Copernicus thought the solar system was
an ellipse
heliocentric
geocentric
a constellation
19
A chunk of frozen water, gas, and dust that orbits the sun is called a _________.
Comet
Planet
Meteor
Asteroid
20
Earth rotates once on its ________ about every 24 hours.
Orbit
Poles
Axis
Ellipses
21
Which statement about the Earth's rotation and revolution is correct? It takes the Earth longer
to rotate around the sun than to revolve on its axis.
to revolve around the sun than to revolve on its axis.
to rotate on its axis than revolve around the sun.
to revolve around the sun than to rotate on its axis.
22
When the Northern Hemisphere is tilted TOWARDS the sun, the Southern Hemisphere is experiencing
summer
spring
winter
fall
23
In 1969, American astronaut, Neil Armstrong, Jr., stepped onto the surface of the moon.
True
False
24
The length of time takes the Earth to revolve around the sun is called a __________.
Season
Day
Month
Year
25
If Neptune were closer to the Sun, how would the gravity change?
The force between the two would be greater.
The force between the two would disappear.
The force between the two would not change.
The force between the two would be less.
26
Which planet has abundant surface water and is known to have life?
Venus
Earth
Mars
Jupiter
27
It takes Uranus less time than Earth to make one complete revolution.
True
False
28
The planet that appears to be tipped on its side is
Uranus
Jupiter
Saturn
Neptune
29
A meteroid that reaches Earth's surface is called a
meteor
comet
asteroid
meteorite
30
The orbit of the planets are
Elliptical
Circular
31
What happens during a solar eclipse?
The moon casts a shadow on Earth.
The moon casts a shadow on the sun.
The sun casts a shadow on Earth.
Earth casts a shadow on the moon.
32
Where is the largest volcano in the solar system located?
Earth
Neptune
Mars
Jupiter
33
What is the name for the area in between Mars and Jupiter?
The Kuiper Belt
Oort Cloud
Nebula
The asteroid belt
34
What causes the sun to appear to rise in the east and set in the west?
the Sun's revolution
the Sun's rotation
Earth's revolution
Earth's rotation
35
To rotate means to spin around another object
True
False
36
Which is the closest planet to the sun?
Venus
Mars
Mercury
Earth
37
The Kuiper Belt is an area of small, icy objects, which includes Pluto.
True
False
38
Which is located closest to the center of the solar system?
Sun
Venus
Mars
Milky Way
39
The path that Earth follows is called ________.
Eclipse
Rotation
Solstice
Orbit
40
Which country was able to put the first human in space?
Japan
China
United States
Soviet Union
41
The tendency of an object at rest to stay at rest and an object in motion to stay in motion is
inertia
magnetism
force
gravity
42
Most meteors burn up in the atmosphere. People often call these shooting stars.
True
False
43
The outer planets are often called the ___________.
Asteroid belt
Large comets
Gas giants
44
Which statement about Jupiter is FALSE?
Jupiter's axis is more tilted than any other planet.
Jupiter has a huge storm in its atmosphere.
Jupiter has rings and many moons.
Jupiter is a slushy ball of liquids and gases.
45
Which planet has the highest temperatures because of the greenhouse effect?
Mercury
Venus
Earth
Mars
46
The phase of the moon that follows the waning crescent phase is called the
last quarter
new moon
full moon
full moon
47
Which of the following is NOT a major difference between the inner and outer planets?
Inner planets are rock but outer planets are gas.
Inner planets are smaller and outer planets are bigger.
Inner planets are close but outer planets are far apart.
Inner planets have moons and outer planets have rings
48
What is the name of the object that survived the Earth's atmosphere and LANDED on Earth?
Meteoroid
Meteorite
Comet
Meteor
49
The geocentric theory state that
all objects revolve around Earth.
stars are moving away from Earth.
only the moon revolves around Earth.
all planets revolve around the sun.
50
What kind of eclipse occurs when the moon blocks sunlight from reaching Earth?
solar
new
lunar
full
