Big Bang and Cosmic Microwave Background

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

Tags

NGSS.HS-ESS1-2

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

• Gamma rays

• Electrons in a highly excited state

• One atom of every known element in our universe

• 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? Choose the best answer.

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

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

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

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

Tags

NGSS.HS-ESS1-2

The universe is ____________ years old.

• 8.13 billion
• 13.8 billion
• 1.83 billion
• 381 million

Tags

NGSS.HS-ESS1-2

What is one major piece of evidence that the Big Bang theory is correct?

• Astronomers have detected leftover radiation from the Big Bang

• Everything in the universe has remained in the same location for billions of years

• Astronomers have discovered that the universe is no longer expanding

• Astronomers have discovered evidence that the universe will soon begin contracting in a "Big Crunch"

Tags

NGSS.HS-ESS1-2

How does Cosmic Microwave Background Radiation support the Big Bang Theory?

• Microwaves are found everywhere in the universe.

• Microwaves were the cause of the big bang

• Microwaves are useful in our everyday lives

Tags

NGSS.HS-ESS1-2

Cosmic Microwave Background Radiation is a form of _________.

• Matter

• Energy

• Space

• Water

Tags

NGSS.HS-ESS1-2

NGSS.HS-PS4-3

What happens to the wavelengths of energy if they are moving AWAY from a source?

• The waves stretch out and get longer.

• The waves compress and get shorter.

Tags

NGSS.HS-PS4-1