12-3 Formation of the Solar System

A nebula is:

• A cloud of ice
• A cloud of dust and gas
• A cloud of just gas
• A cloud of just dust

The most abundant gases in a nebula are:

• Hydrogen & Oxygen
• Nitrogen & Oxygen
• Hydrogen & Helium
• Oxygen & Helium

A nebula starts to collapse because of:

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

Tags

NGSS.HS-PS2-4

As a nebula collapses it also begins:

• Expand
• Rotate
• Shake
• Turn to ice

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What forms in the very center of the accretion disk?

• A protostar

• A planet

• A protoplanet

• A planetesimal

What is forming in the accretion disk away from the center?

• Light
• Protostars
• Planetesimals
• Hydrogen

The group of inner planets are known as:

• The Terrestrial Planets
• The Gas Giants
• The Outer Planets
• The Hallow Planets

The group of outer planets are known as:

• The Terrestrial Planets
• The Gas Giants
• The Inner Planets
• The Rocky Planets

How long ago did these nebular processes start?

• 4.6 years ago
• 4.6 light years ago
• 5.6 billion years ago
• 4.6 billion years ago

Tags

NGSS.HS-ESS1-6

Intense pressure in the protosun (protostar) caused:

• Fire in the Sun to start
• Helium to break down into Hydrogen
• Nuclear Fusion to start
• Nuclear Fusion to end

Tags

NGSS.HS-ESS1-1