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Ninth Grade (Grade 9) Outer Planets Questions

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Grade 9 Outer Planets
The rings of the planet pictured below are mainly made of what?
Planet Saturn - Small
  1. water ice
  2. helium gas
  3. liquid hydrogen
  4. frozen carbon dioxide
Grade 9 Outer Planets
A characteristic of the outer planets is                               .
  1. they have many moons and rings
  2. they have rocky surfaces
  3. they are small in size
  4. none of the above
Grade 9 Outer Planets
What is the name of the region beyond Neptune's orbit where icy bodies lie?
  1. The Kuiper Belt
  2. The Oort Cloud
  3. The Outer Asteroid Belt
  4. All of the Above
Grade 9 Outer Planets
Io is a moon of                .
  1. Mars
  2. Venus
  3. Jupiter
  4. Earth's Moon
Grade 9 Outer Planets
The four distant planets are made mostly of
  1. gas.
  2. water.
  3. rock.
  4. radiation.
Grade 9 Outer Planets
What is Saturn's most prominent feature?
  1. moon system
  2. ring system
  3. giant storm
  4. liquid oceans
Grade 9 Outer Planets
Which gas gives the planets shown below their color?
Planet Neptune - SmallPlanet Uranus - Small
  1. nitrogen
  2. methane
  3. ammonia
  4. carbon dioxide
Grade 9 Outer Planets
Unlike the other planets, the axis of Uranus is                      .
  1. upside down
  2. almost horizontal
  3. completely vertical
  4. tilted at a 23° angle
Grade 9 Outer Planets
These planets are also known as gas giants.
  1. Terrestrial planets
  2. Jovian planets
  3. Inferior planets
  4. Superior planets
Grade 9 Outer Planets
Which planet is noted for its Great Red Spot?
  1. Neptune
  2. Jupiter
  3. Saturn
  4. Uranus
Grade 9 Outer Planets
The outer planets are composed mostly of which materials?
  1. rocks and minerals
  2. land and clouds
  3. gases and liquid heavy metals
  4. none of the above
Grade 9 Outer Planets
Choose the letter of the planet(s) that have ring systems.
  1. Saturn only
  2. Saturn and Jupiter only
  3. All four Jovian planets
  4. All eight planets
Grade 9 Outer Planets
Unlike most of the other planets, Uranus appears to be rotating                                       , perhaps due to a                                       .
  1. on its side; differentiated atmosphere
  2. on its side; planetary collision
  3. upside down; differentiated atmosphere
  4. upside down; planetary collision
Grade 9 Outer Planets
Which Jovian planets have rings?
  1. Saturn only
  2. Saturn and Neptune
  3. Saturn, Neptune, and Uranus
  4. Saturn, Neptune, Uranus, and Jupiter
Grade 9 Outer Planets
Which statement correctly compares the atmospheres of the Jovian planets and Earth?
  1. They consist mostly of helium and hydrogen like Earth's earliest atmosphere.
  2. They consist mostly of nitrogen and oxygen like Earth's present day atmosphere.
  3. Unlike Earth, the Jovian planets have no atmospheres.
  4. The Jovian planets have atmospheres, but they are much thinner than Earth's atmosphere.
Grade 9 Outer Planets
What elements largely make up Neptune's atmosphere?
  1. Helium and Hydrogen
  2. Nitrogen and Oxygen
  3. Oxygen and Sulfur
  4. Sulfur and Helium
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