Which of the following best describes what happens as planets move in the solar system?

• Planets stay still and do not move.

• Planets rotate on their axes and revolve around the sun.

• Planets only revolve around the sun but do not rotate.

• Planets move randomly in space.

Tags

NGSS.MS-ESS1-2

Which of the following is a characteristic of a terrestrial planet?

• It is made mostly of gas.

• It is found outside the solar system.

• It has a solid, rocky surface.

• It is larger than the sun.

Label the four Jovian planets, also known as gas giants or ice giants.

d

c

b

a

Saturn

Neptune

Jupiter

Uranus

Select all the "rocky" planets in the solar system?

Tags

NGSS.MS-ESS1-3

NGSS.MS-ESS2-3

​ (a)   ​ is the only planet in the solar system with known life.

• Venus

• Uranus

• Earth
• Neptune

Tags

NGSS.MS-LS1-1

NGSS.MS-LS1-6

Match the following

• Rocky & Warm

• Outer planets

• Gaseous & Cold

• Inner planets

• Irregularly Shaped & Cold

• Dwarf planets

• Celestial body that orbits a planet

• Moons

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

​ (a)   is the largest planet in our solar system and ​ (b)   is the smallest.

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

Tags

NGSS.MS-ESS1-3

An object that orbits a star and does not produce its own light is called a(n) ​ (a)  

• planet
• star
• asteroid
• satellite

Match the following characteristics with the correct category of planet.

• small size

• outer planets

• many moons

• inner planets

• has rings

• inner planets

• short period of revolution

• outer planets

• has a solid surface

• inner planets

When we compare the planets in our solar system to each other, we see things that are similar and things that are different. One thing that varies among the planets is the thickness and composition of the gases that surround it, or its ​ (a)   . We also see a difference in the number of ​ ​ (b)   or celestial bodies that ​ (c)   a planet. However, one of the main differences with our solar system planets is the two main groups they seem to split into. The first four are called the ​ (d)   , or the ​ (e)   (meaning they are like earth in some ways).

• atmosphere
• moons
• orbit
• inner planets
• terrestrial