Solar System: Unit 2, L1, E1

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

• Earth

• Moon

• Sun

• Asteroid Belt

Tags

NGSS.MS-ESS1-2

There are ____________ planets in our solar system.

• 6

• 8

• 9

• 7

Tags

NGSS.MS-ESS1-3

The closest four planets to the sun are called the ____________ planets

• inner

• outer

The furthest four planets from the sun are known as the _________ planets.

• inner

• outer

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

• dwarf planets

• asteroid belt

• Comets

• space

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

• Milky Way

• Andromeda

• Whirlpool

• Sombrero

Tags

NGSS.MS-ESS1-2

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

• Pluto

• Mars

• Jupiter

• Saturn

About 99% of the mass of the solar system is the __________.

• Asteroid Belt

• Sun

• Moon

• Planets

Tags

NGSS.MS-ESS1-3

What units are the best units to measure the distances in our solar system?

• Meters

• Astronomical Units

• Inches

• Centmeters

The inner and outer planets are separated by the __________.

• Asteroid Belt

• Moon

• Comets

• Dwarf Planets