Astro 10 Ch. 5: The Solar System

How many planets are there in the solar system?

• 6

• 8

• 9

• 14

Tags

NGSS.MS-ESS1-3

What is Pluto's classification?

• planet

• comet

• dwarf planet

• star

Identify the planets (in order) starting from the one nearest to the Sun.

• Mercury, Venus, Mars, Earth, Jupiter, Saturn, Neptune, Uranus

• Neptune, Venus, Mars, Earth, Jupiter, Saturn, Mercury, Uranus

• Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune

• Mercury, Neptune, Uranus, Venus, Mars, Earth, Jupiter, Saturn

Tags

NGSS.MS-ESS1-3

NGSS.MS-ESS1-1

All stars start as gas and dust in a(n)

• nebula
• black hole
• red giant
• black dwarf

______ is a force that causes dust particles to stick together in a nebula.

• nuclear fusion
• gravity
• hydrogen
• iron

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

The outer planets are ____  than the inner planets, 

• smallest

• larger

• slower

• rocky

The outer planets are also called ________.

• terrestrial planets

• larger planets

• gas giants

• farthest planets

What separates the inner planets from the outer planets?

• 
• 
• 
• 

Tags

NGSS.MS-ESS1-2

Comets lose material when they get near ___

• planets
• other comets
• the Sun
• the outer solar system

How long ago was our solar system formed?

• about 4.5 million years ago
• about 9.2 million years ago
• about 4.5 billion years ago
• about 9.2 billion years ago

Tags

NGSS.HS-ESS1-6