Solar System

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

• Earth

• Moon

• Sun

• Asteroid belt

There are _________ planets in our solar system.

• 6

• 7

• 8

• 9

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

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

• Rocky

• Gaseous

The gaseous planets are much larger than the rocky planets.

• True

• False

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

• asteroid

• comet

• meteoroid

The _________ is a region between the planets Mars and Jupiter containing thousands of rocky objects that orbit the Sun.

• Asteroid Belt

• Comet

• Meteoroids

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

• Mars

• Earth

• Pluto

• Jupiter