Part I. Review Test on the Origin of the Solar System

What is a model?

• A physical object

• A representation used to explain phenomena

• A scientific theory

Geo pertains to

• 
• 

Helio pertains to

• 
• 

Why do scientists use models?

• To explain phenomena like the origin of the solar system

• To replace actual experiments

Who proposed the geocentric model?

• Claudius Ptolemy
• Nicolaus Copernicus
• Aristotle

In the geocentric model, what is at the center of the universe?

• Sun

• Mars
• Earth

What did Copernicus propose in the heliocentric model?

• Stars revolve around the Moon

• The Sun is the center

• Earth is the center

What major idea did the heliocentric model oppose (against)?

• Tidal theory

• Solar nebular theory

• Geocentric model

Which revolution is associated with the heliocentric model?

• Copernican Revolution

• Digital Revolution

• Industrial Revolution

The Nebular Hypothesis states that the solar system started from:

• Earth’s core

• Comets

• A nebula (cloud of gas)