Sol

There are _________ planets in our solar system.

• 6

• 7

• 8

• 9

Tags

NGSS.MS-ESS1-3

The closest four planets are called the ________ planets.

• inner

• outer

The furthest four planets are called the _______ planets.

• inner

• outer

Mercury, Venus, Earth, and Mars are known 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 between the planets Mars and Jupiter containing thousands of rocky objects 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

The _______ exists much further out than the Kuiper belt and is at the very edge of the Solar System. Scientists believe it is made up of thousands of small ice objects.

• dwarf planets

• comets

• Asteroid belt

• Kuiper belt

• Oort Cloud