The Solar System

What is the center of our solar system?

• moon
• earth
• sun
• Jupiter

What are the objects considered to be "baby planets?"

• Light

• Protostars

• Planetesimals

• Hydrogen

The planetesimals keep:

• Colliding and breaking apart
• Colliding and sticking together
• Colliding and bouncing around
• Breaking down into smaller pieces

Tags

NGSS.MS-PS2-1

The group of inner planets are known as:

• The Terrestrial Planets
• The Gas Giants
• The Outer Planets
• The Hallow Planets

What caused the lighter elements to leave the terrestrial planets?

• Gravity from the Gas Giants
• Nothing, the lighter elements stayed
• Gravity from the Sun
• Heat from the Sun

Tags

NGSS.MS-ESS1-2

The group of outer planets are known as:

• The Terrestrial Planets
• The Gas Giants
• The Inner Planets
• The Rocky Planets

What percentage of the solar system does the Sun take up?

• 99%

• 1%

• 50%

• 75%

Which inner planet is the hottest?

• Mercury
• Venus
• Earth
• Mars

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Which two inner planets are known as "sister planets?"

• Venus and Mars
• Mars and Earth
• Venus and Earth

All the inner planets are

• Jovian planets because they are made up of gases.
• Terrestrial planets because they are rocky.