Grade 4 Vocabulary Review 4.5 Solar System

An average-sized, yellow star that is about 4.6 billion years old.

• Alpha Centauri
• Betelgeuse
• Sirius
• The Sun

The name given to the four planets that are closest to the sun and mostly made of rock.

• Terrestrial Planets
• Gas Giants
• Dwarf Planets
• Ice Giants

The closest planet to the sun. It is also the smallest and fastest planet in our solar system.

• Venus
• Earth
• Mars
• Mercury

The second planet from the sun. It has high surface temperatures due to a blanket of clouds that trap heat.

• Mars
• Venus
• Earth
• Jupiter

The third planet from the sun. Its atmosphere, water, and distance from the sun make it ideal for life.

• Mars
• Venus
• Earth
• Mercury

Tags

NGSS.MS-ESS2-4

NGSS.MS-LS1-6

The fourth planet from the sun. It is called “the red planet” because of its red surface and has many canyons and riverbeds.

• Venus
• Mars
• Jupiter
• Saturn

Tags

NGSS.MS-ESS1-3

The name given to the four planets that are furthest from the sun and made of gases.

• Terrestrial Planets
• Gas Giants
• Dwarf Planets
• Inner Planets

The fifth planet from the sun. It is the largest planet in the solar system. It also has rings and large storms.

• Mars
• Saturn
• Jupiter
• Venus

The sixth planet from the sun. It is known for its large rings.

• Mars
• Jupiter
• Saturn
• Venus

Tags

NGSS.MS-ESS1-3

The seventh planet from the sun. It spins on its side and has rings.

• Mars
• Jupiter
• Uranus
• Saturn