Unit 1- The Universe

Can you correctly identify four facts about these two historical models of the solar system?

• Ptolemy's model, B, was called the geocentric model.

• The geocentric model proposed that the Earth did not move but the other planets did.

• Kepler's rules of motions of the planets are based on the heliocentric model.

• Initially, heliocentric meant that the Sun was the center of the universe, but as astronomers studied the movement of the planets, that was changed.

• Galileo's model, B, was called the heliocentric model.

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

Which model proposed by Nicholaus Copernicus suggests that all planets revolve around the Sun?

• Big Bang

• Geocentric

• Heliocentric

• Lunar

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

• Sun

• Earth

• Moon

• Mars

What does the heliocentric model acknowledge about the planets?

• They revolve around the Earth

• They are stationary

• They revolve around the Sun

• They revolve around the Moon

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

What is a shared belief of both the geocentric and heliocentric models?

• Moon revolves around Earth

• Acknowledged the existence of planets

• Sun is at the center

• Earth is flat

One of the first steps toward currently accepted theories of our Solar System's formation and evolution was the general acceptance of the __________ model, which placed the Sun at the center of the system and the Earth in orbit around it. This theory was prominently presented by __________.

• heliocentric, Galileo Galilei

• geocentric, Aristotle

• heliocentric, Nicolaus Copernicus

• geocentric, Nicolaus Copernicus

• heliocentric, Aristotle

Our sun is located in this galaxy. What is the name of this galaxy?

• Orion Galaxy

• Milky Way Galaxy

• Andromeda Galaxy

• Solar System Galaxy

Tags

NGSS.MS-ESS1-2

What is the correct order of the components of our universe from smallest to largest?

• Sun - Solar System - Milky Way Galaxy - Local Group - Universe

• Sun - Local Group - Solar System - Milky Way Galaxy - Universe

• Solar System - Sun - Local Group - Milky Way Galaxy - Universe

• Local Group - Sun - Solar System - Milky Way Galaxy - Universe

Where is Earth located in the Milky Way Galaxy?

• Norma arm

• Outer arm

• Orion spur

• Galactic bar

The Milky Way galaxy is an example of which type of galaxy?

• Spiral

• Elliptical

• Irregular

• Lenticular