The Sun and Formation of the Solar System

How many known planets are in our solar system?

• 4

• 7

• 8

• 9

What is the age of the Sun?

• 4.5 billion years old

• 4.5 million years old

• 65 million years old

• 14 billion years old

Tags

NGSS.HS-ESS1-1

Where is the asteroid belt?

• between Earth and Mars.

• between Jupiter and Saturn.

• between Saturn and Uranus.

• between Mars and Jupiter.

Tags

NGSS.MS-ESS1-3

The nebular hypothesis explains (pick 2 answers)

• why the planets move in the same direction around the sun

• why the Earth has life

• the inner planets are rocky and outer are gaseous

• how the moon was formed

Tags

NGSS.MS-ESS1-2

Because Pluto has not cleared its orbital path of debris, it was reclassified from a planet to a . . .

• asteroid.

• meteor.

• moon.

• dwarf planet.

Where is Pluto located?

• It is the closest planet to the sun

• In the Kuiper Belt

• In the Oort Cloud

• Uranus

Tags

NGSS.MS-ESS1-3

The four inner planets are ____________. (pick 2)

• small

• mostly made of rock and metal

• large

• mostly made of gases like hydrogen and helium

Tags

NGSS.MS-ESS1-3

The four outer planets are ____________. (pick 2)

• small

• mostly made of rock and metal

• large

• mostly made of gases like hydrogen and helium

Tags

NGSS.MS-ESS1-3

When the Earth was still forming it collided with another small planet. This collision created ____________.

• the moon

• the asteroid belt

• Mercury

• a supernova

Tags

NGSS.HS-ESS1-6

Which planets are the closest to the sun?

• rocky planets

• gas giant planets

Tags

NGSS.MS-ESS1-2