Gravity, Galaxies and The Nebular Theory

The theory that explains the formation of the solar system is called ____.

• Nebulis Theory
• Nebular Theory
• Big Bang Theory
• Big Nebulan Theory

Tags

NGSS.HS-ESS1-6

A giant sphere of glowing gases is a ___________

• Galaxy
• Light-year
• Star
• Magnitude

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

The planets of the solar system formed as

• the center of the gas cloud cooled

• planetesimals flattened into a rotating disk

• planetesimals collided into one another

• the sun absorbed extra gas and dust from the solar system

How long ago was our sun formed?

• 10 million years ago
• 5 million years ago
• 4.5 billion years ago
• 2 billion years ago

Tags

NGSS.MS-ESS1-4

What force acted on the massive nebula to collapse it and eventually form our sun?

• electrostatic force
• strong force
•  weak force
• gravity

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What is the nebular hypothesis?

• Prediction about how the universe was formed
• Prediction of how the moon was formed
• Prediction of how comets were formed
• Prediction of how the Solar System was formed

Tags

NGSS.MS-ESS1-2

The process that provides the sun with its energy

• solar flare

• Photosphere

• radiative zone

• nuclear fusion

What is the FIRST event in the formation of the solar system?

• About 4.5 billion years ago pieces of rock and ice accumulate more material until they grow into planets and moons.

• About 4.6 billion years ago, a cloud of stellar dust or nebula exists within the Milky Way.

• None of the above.

Which is NOT a type of galaxy?

• Elliptical
• Spiral
• Oblong
• Irregular

Tags

NGSS.MS-ESS1-2

What is the name of the galaxy closest to the Milky Way?

• Messier 87
• Andromeda
• Sombrero Galaxy
• Snickers

Tags

NGSS.MS-ESS1-2