7.1 Formation of Our Solar System

What theory explains the formation of the solar system?

• Galactic Collision Theory

• Pulsar Theory

• Big Bang Theory

• Nebular Theory

What did the solar system form from according to the Nebular Theory?

• A black hole

• A supernova explosion

• A gigantic cloud of gas and dust

• A collision between two stars

Why do planets have elliptical orbits?

• Due to cosmic radiation

• Because of the moon's influence

• Due to the sun's gravitational pull

• Because of their rotation speed

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What is the correct sequence in the formation of the solar system?

• Nebula, planet formation, star ignition

• Star ignition, nebula, planet formation

• Planet formation, star ignition, nebula

• Nebula, star ignition, planet formation

Why are the inner planets rocky?

• Because of their atmosphere

• Due to their magnetic fields

• Due to their size

• Because of their distance from the sun

What are the outer planets primarily composed of?

• Gases and ices

• Rocks and minerals

• Metal and iron

• Liquid water

What causes a nebula to collapse and form a solar system?

• Cosmic radiation

• Gravity

• Magnetic fields

• A nearby supernova

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What is another name for the Nebular Theory?

• Dust Cloud Theory

• Stellar Evolution Theory

• Solar Nebula Theory

• Galactic Formation Theory

How does the distance of planets from the sun affect their orbits?

• It determines their speed

• It affects their size

• It influences their temperature

• It changes their composition

Tags

NGSS.MS-ESS1-2

What is the main difference between terrestrial and gas giant planets?

• Their orbits

• Their composition

• Their size

• Their color