Solar system

How many planets are there in the solar system?

• 6

• 8

• 9

• 14

Tags

NGSS.MS-ESS1-3

Which is NOT part of our solar system? 

• the moons around Jupiter

• asteroids and meteoroids

• comets

• stars that are not the Sun

Tags

NGSS.MS-ESS1-3

The ____  are the four planets closest to the Sun

• outer planets

• gas giants

• inner planets

• larger

The inner planets rotate _____  than the outer planets.

• more slowly

• more quickly

• more frequent

• less frequent

Which two planets do not have moons?

• Mercury and Mars

• Mercury and Neptune

• Mercury and Venus

• Venus and Mars

The moons are made up of:

• rock or ice

• rock or gas

• rock or metals

• ice or gas

Tags

NGSS.MS-PS1-1

The outer planets are ____  than the inner planets, 

• smallest

• larger

• slower

• rocky

Tags

NGSS.MS-ESS1-3

The outer planets are also called ________.

• terrestrial planets

• larger planets

• gas giants

• farthest planets

The outer planets have thick atmospheres of ____ and ______.

• oxygen and helium

• carbon dioxide and helium

• hydrogen and nitrogen

• Hydrogen and helium

The four inner planets are:

• Jupiter, Saturn, Uranus and Neptune

• Mercury, Venus, Earth and Pluto

• Mercury, Venus, Earth and Mars

• Jupiter, Saturn, Neptune and Pluto

Tags

NGSS.MS-ESS1-3