Planets, the Asteroid Belt, and the Kuiper Belt

What year did New Horizons pass by and study Pluto?

• 1930
• 2015
• 1992
• 1978

Pluto was discovered in what year?

• 1930
• 2015
• 1992
• 1978

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

• Earth

• Sun

• Moon

• Asteroid belt

There are _________ planets in our solar system.

• 6

• 7

• 8

• 9

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

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

Tags

NGSS.MS-ESS1-3

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

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

• Pluto

• Mars

• Ceres

• MakeMake

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

• Asteroid belt

• Sun

• Moon

• planets

Tags

NGSS.MS-ESS1-3

NGSS.MS-PS2-4