PFA: Solar System and Gravity Review

Which statement is true about the Solar System?

• The solid planets are much larger than the gas planets.

  
  

• The planets are arranged in order of increasing size.

  
  

• The solid planets are closer to the Sun.

  
  

• The gas planets are closer to the Sun.

  
  

Tags

NGSS.MS-ESS1-3

How does gravity govern motion within Earth’s solar system?

• The sun's gravity pushes the planets in orbit around it.

  
  

• The sun's gravity pulls the planets in orbit around it.

  
  

• The sun's mass pushes the planets in orbit around it.

  
  

• The sun's force pushes the planets in orbit around it.

  
  

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

The ___________ is a region of thousands of small bodies that exists outside the orbit of Neptune. Objects in this area consist of "ices'' such as ammonia, water, and methane.

• Oort Cloud

• Comets

• Asteroid Belt

• Kuiper Belt

The third region of icy objects, a spherical cloud which starts roughly 300 billion kilometers out, is called ___.

• The Scattered Disk

• The Kuiper Cloud

• The Oort Cloud

• The Oort Disk

The 'Kuiper Belt' in space extends roughly from the orbit of the planet ___________.

• Uranus

• Pluto

• Saturn

• Neptune

Where is the Oort cloud located?

• Beyond the Orbit of Pluto

• Between the Sun and Mercury

• Between the Asteroid Belt and the Kuiper belt

• Within the Asteroid Belt

Tags

NGSS.MS-ESS1-3

Analyze the characteristics of an unknown planet below:

• Rings of ice

• Revolution 29.5 years

• Composed mostly of hydrogen and helium

• Least dense planet, gas giant

Based on the characteristics, what planet is being described?

• Jupiter

• Venus

• Mars

• Saturn

Tags

NGSS.MS-PS1-1

Analyze the characteristics of an unknown planet below:

• Inner planet

• Rocky surface with iron-rich materials

• Red planet

• Thin atmosphere, cold temperatures

Based on the characteristics, what planet is being described?

• Venus

• Saturn

• Mars

• Uranus

Analyze the characteristics of an unknown planet below:

• blue-green gas giant

• Rings

• 27 known moons

• Revolution 87 years

• Rotation 17 hours

Based on the characteristics, what planet is being described?

• Venus

• Mars

• Uranus

• Saturn

Analyze the characteristics of an unknown planet below:

• Thick iron core with rocky surface

• Sulfuric acid clouds

• Revolution 225 days

• Rotation 243 days

• A day is longer than its year

• CO2 atmosphere traps heat

Based on the characteristics, what planet is being described?

• Mars

• Saturn

• Uranus

• Venus