History of the Formation of Earth

History of the Formation of Earth

Multiple Choice

the process that provides the sun with its energy

• solar flare
• Photosphere
• radiative zone
• nuclear fusion

Multiple Choice

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

Multiple Choice

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

• electrostatic force
• strong force
•  weak force
• gravity

Multiple Choice

How long ago was our sun formed?

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

Multiple Choice

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

Multiple Choice

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

• solar system
• earth
• rotation
• United States

Multiple Choice

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

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

Multiple Choice

What happened when oxygen accumulated in the atmosphere?

• ozon layer formed
• no change
• sky turned brown
• iron oxide formed

Multiple Choice

What color was the sky in the early earth?

• pinkish-orange
• reddish-orange
• purple
• brown

Multiple Choice

The early earth formed by

• all of the above
• volcanic eruptions
• cosmic collions
• comets and asteroids

Multiple Choice

Scientists believe that Earth's core and crust formed after the materials pulled by Earth's gravity became very hot and ___________.

• Melted
• Broken

Multiple Choice

After water vapor condensed to form rain and then gradually accumulated, which of the following was formed?

• Earth's First Atmosphere
• Earth's Second Atmosphere
• Earth's Oceans
• Earth's Continents

Multiple Choice

According to scientists, both Earth and moon are...

• About 1.6 Billion Years Old
• About 4.6 Billion Years Old
• About 9.6 Billion Years Old
• About 14 Billion Years Old

Multiple Choice

The atmosphere of the early earth had a lot of

• carbon dioxide

• nitrogen

• oxygen

• carbon dioxide and water vapor

Multiple Choice

There was very little __________ in the early atmosphere

• oxygen
• carbon dioxide
• water vapor
• iron