Nebular Hypothesis and Earth's Interior

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

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

What is the shape of a planet's orbit?

• circular
• elliptical
• spherical
• round

Nebulae are primarily composed of what element?

• Hydrogen
• Helium
• Other hard elements
• Zinc

The __________ has planets, moons, comets, and asteroids.

• solar system
• earth
• rotation
• United States

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-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

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

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

the process that provides the sun with its energy

• solar flare
• Photosphere
• radiative zone
• nuclear fusion

Tags

NGSS.HS-ESS1-1

What is the inner most layer of Earth?

• core
• outer core
• inner core
• asthenosphere