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SOLAR SYSTEM FAMILY Flashcards | StudBud
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SOLAR SYSTEM FAMILY
SOLAR SYSTEM FAMILY
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#GRADE7_EARTHSCIENCE
Flashcards
26 cards
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Questions
26
Answers
1
Which planet has a moon named Titan which is larger than the planet Mercury?
Jupiter
Saturn
Earth
Mars
2
The second-largest planet in the solar system and has 60 moons
Saturn
Neptune
Uranus
Jupiter
3
Our solar system formed about 4.6 billion year ago when ____________
Jupiter formed as the largest planet.
a large planet broke into many pieces.
a cloud of interstellar dust and gas began to condense.
stars collided with one another.
4
The inner four planets of our solar system are called the __________
soft
gas giant
rocky
terrestrial
5
Smallest planet, no moons and rings
Mars
Neptune
Pluto
Mercury
6
Meteoroids that enter and completely burn up in Earth’s atmosphere
are called meteorites
become asteroids
are called meteors
become stars
7
a hot ball of glowing gases. Its gravity holds the solar system together
Eris
Sun
Makemake
Moon
8
The following are categorized as terrestrial planets EXCEPT
Earth
Venus
Neptune
Mercury
9
It is the only known planet where plate tectonics occurs.
Saturn
Neptune
Jupiter
Earth
10
Which explains why the planets orbit the Sun?
the rotation of the planets on their axes
the tilt of the planets on their axes
the Sun’s gravitational pull on the planets
the magnetic force of the planets on the Sun
11
These are big chunks of ice, rock and gas.
Meteors
Asteroids
Comets
Meteoroids
12
Many of _______'s rings are dark—almost black and almost invisible.
Jupiter
Saturn
Uranus
Neptune
13
This planet has rings and 13 moons
Uranus
Mercury
Neptune
None of the above
14
Characterized by having Great Red Spot, an atmospheric storm
Jupiter
Earth
Neptune
Mars
15
Which is NOT a characteristic of a dwarf planet?
has cleared its orbit of debris
exists in the Kuiper Belt
is not a satellite to another body
has enough gravity to be spherical in shape
16
It is the only planet in our solar system that is less dense than water
Mercury
Venus
Jupiter
Saturn
17
The following are gas giants EXCEPT
Saturn
Uranus
Jupiter
Venus
18
Planet which has a retrograde rotation
Venus
Earth
Uranus
Neptune
19
Which of these planets is the densest?
Venus
Earth
Saturn
Jupiter
20
It is the hottest planet.
Jupiter
Mars
Mercury
Venus
21
Which of the following is NOT true about the diagram shown above?
It is a geocentric model of the universe.
It is a model described by Copernicus.
It is a heliocentric model of the universe.
It can help explain retrograde motion of other planets.
22
It was considered as planet but classified now as a dwarf planet.
Makemake
Pluto
Eris
Haumea
23
The planet Mars has seasons similar to those on Earth. The most likely reason for this is
Mars is tilted on its axis in the same way as Earth
Mars is the same size as Earth
Mars is the same distance from the Sun as the Earth
Mars is traveling at the same speed as Earth
24
Because Earth’s orbit around the Sun is an ellipse ______________________
the distance between Earth and Sun varies.
the Sun is always at the center of the orbit.
nights are longer than days in the summer in the N.H.
25
The __________is a group of small solar system bodies that are mostly rock and ice.
Asteroid belt
Kuiper belt
26
What shape describes the orbits of the planets?
a sphere
a line
a circle
an ellipse
