Mastery Check: Lessons 2.1 - 2.4

What is the primary focus of the Big Bang theory?

• The formation of black holes

  
  

• The origin of the universe

• The evolution of galaxies

• The creation of life on Earth

Tags

NGSS.HS-ESS1-2

How long ago did the Big Bang according to study?

•  4.5 billion years ago

• 13.7 billion years ago

  
  

• 10 million years ago

•  5 billion years ago

Tags

NGSS.HS-ESS1-2

Which of the following best describes the state of the universe at the time of the Big Bang?

• Cold and sparse

• Hot and infinitely dense

• Stable and unchanging

•  Filled with stars and planets

Tags

NGSS.HS-ESS1-2

What were the two major stages of the universe's evolution?

• The dark and light eras

  
  

• The radiation and matter eras

  
  

• The cosmic and galactic eras

• The primordial and stellar eras

Tags

NGSS.HS-ESS1-2

What significant event occurred during the inflationary epoch?

• The universe cooled down

• The universe rapidly expanded

  
  

• Stars began to form

• Matter was created

Tags

NGSS.HS-ESS1-2

Why was the early universe considered 'piping hot' during the inflationary epoch ?

• Because of the high density of particles

  
  

• Because of the rapid expansion

  
  

• Because of the intense radiation

• Because of the strong gravitational forces

Tags

NGSS.HS-ESS1-2

In the galactic epoch, what did clusters of atoms eventually become ?

• stars

• planets

• galaxies

• black holes

Tags

NGSS.MS-ESS1-2

What role did stars play in the formation of elements?

• They destroyed existing elements

• They converted helium and hydrogen into new elements

  
  

• They had no impact on element formation

  
  

• They only produced light and heat

  
  

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3

What is the current stage of the universe's development called?

• The atomic epoch

• The stellar epoch

  
  

• The galactic epoch

• The radiation era

  
  

Tags

NGSS.HS-ESS1-2

During which epoch did protons and neutrons first form from quarks?

• Hadron epoch

  
  

• Lepton epoch

• Nuclear epoch

• Atomic epoch

  
  

Tags

NGSS.HS-PS1-8