Big Bang Theory

Which of the following is evidence of the Big Bang Theory?

• Cavemen heard a loud bang at the beginning of time.
• The universe isn't moving
• The universe is expanding
• The universe is getting smaller

What is the CMBR

• The shape of the universe
• The first primordial elements
• Red shifted galaxies
• Leftover heat from the Big Bang 

What is the percentage of Hydrogen in the Universe?

•  0.10% 
• 8%
• 91.90%
• 100%

How did the discovery of Cosmic Microwave Background Radiation support the Big Bang Theory?

• It suggests that Hydrogen and Helium were the first elements to form.
• It confirms the age of the Earth to be around 5 billion years old.
• It supports the idea that the universe used to be hotter.
• It demonstrates that the universe continues to expand.

Which statement best describes the age of our solar system and universe?

• Our solar system and the universe are estimated to be 5 billion years old.
• Our solar system and the universe are estimated to be 10 billion years old.
• Our solar system is at least twice as old as the universe.
• The universe is roughly 13.7 billion years old.

Which of the following is NOT true about the Big Bang Theory?

• It is the scientific explanation of how life began on Earth and evolved over time.
• It is the scientific explanation for the origin of the universe.
• It states that the universe expanded from a single point and is still expanding today.
• It states that the universe used to be much hotter and smaller.

What can we conclude from the observation that nearly all galaxies are moving away from us?

• Massive black holes are drawing galaxies away from Earth.
• The Sun and Earth are located at the center of the universe.
• Everything in the universe is moving the same direction.
• The once-smaller universe is expanding in all directions.

Which of the following is not strong evidence supporting the Big Bang Theory?

• Presence of cosmic microwave background radiation.
• The frequency of the light from distant galaxies is shifted slightly towards the red
• The estimated age of the Earth matches the estimated age of the universe.
• Abundance of Hydrogen and Helium in the universe.

As part of the modern theory of the origins of the elements, it is hypothesized that before the formation of the stars, most of the matter in the universe consisted of what atoms?

• hydrogen and helium
• nitrogen and carbon
• silicon and lithium
• uranium and radium

The temperature of the CMBR today is approximately....

• 3000K
• 3K
• 10^10K
• 10^28K