The Big Bang, Galaxies and Stars

Hubble observed that galaxies are

• exploding

• moving away from us

• moving towards us

• standing still

Tags

NGSS.HS-ESS1-2

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

Tags

NGSS.HS-ESS1-2

The big bang was a/an what?

• explosion
• unknown
• expansion
• contraction

Tags

NGSS.HS-ESS1-2

This galaxy is oval shaped

• elliptical galaxy 
• spiral galaxy
• irregular gallaxy

This galaxy has no definite shape 

• irregular galaxy 
• spiral galaxy
• elliptical galaxy 

A light year is a unit of

• time
• distance 
• mass
• density 

Tags

NGSS.MS-ESS1-3

The Milky Way galaxy we live in is a/an ..........

• elliptical galaxy
• spiral gallaxy
• irregular galaxy 

What type of galaxy do we live in?

• Spiral
• Elliptical
• Irregular
• Coaxial

What type of galaxy is this?

• Spiral
• Elliptical
• Irregular
• Irrational

What type of galaxy is this?

• Spiral
• Elliptical
• Irregular 
• Irrational