Quarter 1 Review ES 22-23

What type of galaxy is this?

• Spiral
• Elliptical
• Irregular 
• Irrational

What Galaxy is Earth located?

• Andromeda

• Milky Way

• Sagittarius

• Snickers

The distance light can travel in one year is ______________

• 15,000 kilometers

• 1 light-year

• 15 Astronomical Units

• 6,000 miles

What are galaxies held together by?

• Gravitational Attraction
• Stars
• Other galaxies
• Dust and Gas

What are the the 3 types of galaxies?

• Spiral Galaxies, Regular Galaxies, and Lliptical Galaxies
• Spiral Galaxies, Irregular Galaxies, and Elliptical Galaxies
•  Milky Way, Elliptical Galaxies, and Spiral Galaxies
• Milky Way, Elliptical Galaxies, and Irregular Galaxies

Most scientists believe the Big Bang Theory explains which of the following questions?

• How our planets and moons formed

• How our universe began

• How the sun turns hydrogen into helium

• How fast light travels through space

Which statement is true?

• The galaxies are moving toward us.

• The galaxies are moving away from us.

• The universe remains static or unchanged in motion.

• None of the above

How old do scientists think the Universe is?

• 13.8 billion years old
• 4.5 billion years old
• 24,000 years old
• 5 years old

What does the Big Bang theory suggest?

• The universe was just there
• The Milky Way is the only solar system
• The universe is continually expanding
• The universe is collapsing in toward a single point

What were the original two elements in our universe?

• Lithium and Carbon
• Hydrogen and Neon
• Helium and Chlorine
• Hydrogen and Helium