Solar System

How many planets are in the solar system?

• 6

• 7

• 8

• 9

What is NOT a requirement for an object to be considered a planet?

• Have a moon

• Dominate its orbit

• Be spherical

• Be in orbit around a star

Which of these planets is a terrestrial planet?

• Jupiter

• Neptune

• Uranus

• Venus

Which planet cannot be seen with the unaided eye?

• Mars

• Mecury

• Neptune

• Venus

What is Pluto?

• An asteroid

• A dwarf planet

• A moon

• A planet

What is generally the correct order of objects from smallest to largest?

• Meteoroid, planet, dwarf planet, Sun, solar system

• Dwarf planet, meteoroid, planet, Sun, solar system

• Meteoroid, dwarf planet, planet, solar system, Sun

• Meteoroid, dwarf planet, planet, Sun, solar system

Tags

NGSS.MS-ESS1-3

What is the Oort cloud?

• The furthest boundary of our solar system

• The asteroid belt between Mars and Jupiter

• Another name for the Kuiper Belt

• An area beyond Neptune full of dwarf planets

Tags

NGSS.MS-ESS1-3

Where is the Kuiper Belt?

• Between Mars and Jupiter

• Between Mercury and Venus

• Beyond Neptune

• Between Uranus and Neptune

Approximately much of the solar system’s total mass is made up by the Sun?

• 20%

• 45%

• 88%

• 99%

Tags

NGSS.MS-ESS1-3

NGSS.MS-PS2-4

What do all planets have in common?

• A rocky core

• Rotational speed

• Thick atmospheres

• Average temperature