Planet

One of the main differences between the outer and inner planets is __________.

• the inner planets all have water

• the inner planets are much bigger than the outer planets

• the outer planets are gas planets

• the outer planets have do not have rings and the inner planets do

What planet has a very hot surface and is most like Earth in size?

• Venus

• Mercury

• Mars

• Uranus

Which planet has the most extensive ring structure, the second largest in solar system, has at least 31 moons (the largest being Titan), and has thick outer rings of hydrogen, helium, ammonia, methane, and water vapor?

• Jupiter

• Neptune

• Saturn

• Pluto

What do Mercury, Venus, Earth, and Mars all have in common?

• They are all very cold planets.

• They are considered terrestrial planets, that is rocky or have metals with hard surface.

• They are about the same size.

• They are considered gas giants

Which planet is the largest planet in the solar system and is the fifth planet?

• the sun

• Uranus

• Jupiter

• Earth

Which is the eighth planet from the Sun and orbits the Sun once every 164.8 years and is blue in color?

• Neptune

• Jupiter

• Saturn

• Mars

Which planet is home to the tallest mountain , has the largest dust storms in the solar system and is also known as the 'Red Planet' because of the presence of iron oxide in it's rock.

• Earth

• Venus

• Jupiter

• Mars

The inner planets are also called the ___________.

• Gas giants

• Terrestrial planets

• Large planets

• Asteroid

What is the object that all planets in our solar system orbit?

• The moon

• The sun

• The Milky Way

• Mercury

What is the only planet tilted on its side?

• Mercury

• Mars

• Neptune

• Uranus