Big Bang, Expansion, & Hierarchy of the Universe

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

Tags

NGSS.HS-ESS1-2

Where is the center of the universe located?

• There is no center of the universe.

• At the center of the Milky Way galaxy.

• 14.5 billion light years away from Earth.

• In a large singularity near the Andromeda Galaxy.

What was contained in the singularity that gave rise to the Big Bang? Choose the best answer.

• a. Gamma rays

• b. Electrons in a highly excited state

• c. One atom of every known element in our universe

• d. All the mass, energy, and time in our universe

Tags

NGSS.HS-ESS1-2

What do the initial moments after the Big Bang have in common with the universe as it exists now?

• a. All the stars, galaxies, and planets that exist today were formed just a few moments after the Big Bang.

  
  

• b. The universe back then could not sustain life, and it cannot sustain life now.

• c. The universe was extremely hot then, and it is still extremely hot now.

• d. The universe began expanding then, and it is still expanding today.

Tags

NGSS.HS-ESS1-2

According to the Big Bang theory, how old is the universe?

• a. 6,000 years

• b. 65 million years

• c. 4.5 billion years

• d. 14.5 billion years

Tags

NGSS.HS-ESS1-2

The universe is expanding!  This means that:

• all of the galaxies are spreading out.
• the universe must have started from a single point.
• the universe is cooling down.
• all of the above.

Tags

NGSS.HS-ESS1-2

Our theory of the universe was confirmed by the discovery of:

• fusion.
• cosmic microwave background radiation.
• the Andromeda galaxy.
• the Doppler effect.

Tags

NGSS.HS-ESS1-2

What is a galaxy?

• a star and it's surrounding planets
• billions of stars held together by gravity
• the big bang
• a cluster of nebulas

Tags

NGSS.MS-ESS1-2

The sun and all of the planets and other bodies that travel around it. 

• Universe 
• Galaxy 
• Star
• Solar System 

Tags

NGSS.HS-ESS1-4

A large celestial body that is composed of gas and that emits light.

• star
• black hole
• element 
• big bang

Tags

NGSS.HS-ESS1-1