The Big Bang Theory Reading Questions

Fill in the blank with the correct words.

• glow

• The Big Bang wasn't an explosion, but a fast _________ of particles in space.

• expansion

• The Big Bang theory explains how our universe _______ about 13 billion years ago

• 13 billion

• The Cosmic Microwave Background is a ____ that fills the entire universe.

• hot

• Scientists estimate that the Big Bang occurred around __ ______ years ago.

• started

• Before the Big Bang, the universe was very ___ and dense.

Tags

NGSS.HS-ESS1-2

What does the Big Bang Theory explain?

• How planets form

• How stars die

• How our universe began

• How galaxies collide

Tags

NGSS.HS-ESS1-2

What was the universe like before the Big Bang?

• cold and empty

• hot and dense

• full of stars

• full of planets

Tags

NGSS.HS-ESS1-2

What is the Cosmic Microwave Background?

• a type of star

• a glow that fills the universe

• a black hole

• a new galaxy

Tags

NGSS.HS-ESS1-2

How old is the universe according to the Big Bang Theory?

• 1 million years

• 1 billion years

• 13 billion years

• 100 billion years

Tags

NGSS.HS-ESS1-2

What does the redshift of galaxies show?

• Galaxies are getting hotter

• Galaxies are moving closer

• Galaxies are moving away

• Galaxies are changing color

Tags

NGSS.HS-ESS1-2

In complete sentences answer the following question:

What are 2 pieces of evidence that support the Big Bang Theory?

*Hint: Reread the last 4 paragraphs of the reading.

Tags

NGSS.HS-ESS1-2

 Why do scientists think that space and time began with the Big Bang?

Tags

NGSS.HS-ESS1-2

How is a black hole formed?

• when there are too many stars in a galaxy

• when a star explodes (supernova)

• when a planet dies

What can escape a black hole?

• astronauts

• rocket ships

• stars

• nothing