The Planets 7th Grade Science
Mr. Jablonski
Ms. Hummel
Click to Continue
Click
on a
planet
to
learn Mercury Venus Earth Mars
more
about
it:
Jupiter Saturn Uranus Neptune
Review Question
Mercury
Quick Facts About Mercury:
Innermost and smallest planet
Orbits the sun once every 88
days
Mercury is similar in
appearance to the Moon
The English name for the planet
comes from the Romans, who
named it after the Roman god,
Mercury
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Venus
Quick Facts About Venus:
second-closest planet to the
Sun
Orbits the sun every 224.7
Earth days
brightest natural object in the
night sky, except for the Moon
sometimes called Earth's
"sister planet", for the two
are similar in size, gravity,
and bulk composition
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Earth
Quick Facts About Earth:
Third Plant from the sun
only place in the universe
where life is known to exist
orbits the Sun once for every
roughly 366.26 times it rotates
about its axis
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Mars
Quick Facts About Mars:
Fourth Plant from the sun
named after Mars, the Roman god
of war
Also referred to as the "Red
Planet" because of its reddish
appearance as seen from Earth
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Jupiter
Quick Facts About Jupiter:
Fifth Plant from the sun
Largest planet within the solar
system
primarily composed of hydrogen
with a small proportion of
helium
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Saturn
Quick Facts About Saturn:
Sixth Plant from the sun
second largest planet in the
Solar System
The day of the week Saturday
gets its name from the planet.
well known for its ring system
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Uranus
Quick Facts About Uranus:
Seventh Plant from the sun
named after the ancient Greek
deity of the sky
Has the coldest planetary
atmosphere in the Solar System
(−224 °C)
revolves around the Sun once
every 84 Earth years
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Neptune
Quick Facts About Neptune:
Eight Plant from the sun
named after the Roman god of
the sea
primarily composed of hydrogen
and helium along with traces of
methane
has the strongest winds of any
planet, as high as 1,300 mph
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Review Question
Which planet is the
largest in the solar
system?
A. Earth
B. Jupiter
C. Saturn
There are other
planets larger than
earth.
Go back and try again
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That is correct!
Great work! Jupiter is
the largest planet in
the solar system!
Click to Continue
Saturn is the second
largest planet.
]Go back and try again
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Congratulations!
You have completed
this lesson on the
planets!
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