Solar System

The center of our solar system is the....

• Earth

• Sun

• Moon

• Asteroid belt

Tags

NGSS.MS-ESS1-1

There are _________ planets in our solar system.

• 6

• 7

• 8

• 9

Tags

NGSS.MS-ESS1-3

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

About 99.85% of the mass of the solar system is the __________.

• Asteroid belt

• Sun

• Moon

• planets

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

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