1.3 - Solar System Formation

How old is our solar system?

• 4.6 billion years
• 13.8 billion years
• 6,000 years
• 15,000 years

Tags

NGSS.HS-ESS1-6

What celestial body eventually evolved into our modern solar system?

• a nebula
• a supernova
• a quasar
• a galaxy

Tags

NGSS.HS-ESS1-6

Smaller particles collecting together into larger and larger objects is called . . .

• accretion
• contraction
• explosion
• rotation

The Nebular Theory is:

• A theory on how the Milky Way galaxy was formed
• A theory on how the universe was formed
• A theory on how the solar system will be destroyed
• A theory on how the solar system was formed

A nebula starts to collapse because of:

• A nearby star shining it's light
• A passing spaceship
• A passing comet
• Gravity

The moon was formed when a _____ smashed into Earth, spreading debris into orbit that then _____ to form the moon.

• asteroid, froze

• planetesimal, accreted

• comet, accreted

• planetesimal, froze

Where would you expect to find a planet that is small, dense, and rocky?

• close to the sun

• outside of the sun's gravitational pull

• far away from the sun

• close to the gas planets

What process created the plantesimals (the young version of our planets)?

• Accretion of particles in the solar nebula

• Gravitational pull between the sun and the planets

• The solar wind that blew dust to the outer edge of the solar system

• Nuclear fusion

Where in our solar system would you expect to find a planet that is mostly made of gas?

• very close to the sun

• outside of the sun's gravitational pull

• very far from the sun

• very close to other planets

Tags

NGSS.MS-ESS1-2

What materials could not survive the heat where the rocky planets were formed?

• Gamma Rays
• Plasma
• Ice and Gas
• Rocks