Solar System

The closest four planets are called the ________ planets.

• inner

• outer

The furthest four planets are called the _______ planets.

• inner

• outer

Tags

NGSS.MS-ESS1-3

Mercury, Venus, Earth, and Mars are known as _____________ planets.

• rocky

• gaseous

Jupiter, Saturn, Uranus, and Neptune are know as ________ planets.

• rocky

• gaseous

The gaseous planets are much larger than the rocky planets.

• True

• False

Tags

NGSS.MS-ESS1-3

___________ are similar to planets but are not large enough to have cleared their orbital region of other objects.

• dwarf planets

• comets

• asteroid belt

• Kuiper Belt

• Oort cloud

___________ are objects made of ice, dust, and rocks that orbit the Sun.

• dwarf planets

• comets

• Asteroid belt

• Kuiper belt

• Oort Cloud

The ___________ is a region of thousands of small bodies that exists outside the orbit of the planets. Objects in this area consist of "ices" such as ammonia, water, and methane.

• dwarf planets

• comets

• Asteroid belt

• Kuiper belt

• Oort cloud

Our solar system is part of a bigger grouping of stars called the ___________ galaxy.

• Milky Way

• Andromeda

• Messier 63

• Whirlpool

• Sombrero

Tags

NGSS.MS-ESS1-2

___________ was once considered a full planet but was redefined as a dwarf planet in 2006.

• Pluto

• Mars

• Ceres

• MakeMake