Astronomers and Big Bang Theory

According to the Big Bang Theory, which graph best represents the relationship between time and the size of the universe from the beginning of the universe to the present?

• Size decreasing as time increases
• Size and time both increasing
• Size does not change as time increases
• Size increases, then decreases as time increases

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

Which of the following is NOT evidence of the Big Bang Theory?

• Abundance of Hydrogen and Helium
• CMBR everywhere
• Stars that are blue shifted
• the universe is getting bigger

What is the CMBR

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

What shape do scientists think the universe is?

• Sphere
• Triangular
• Saddle Shaped
• Flat

What is the percentage of Hydrogen in the Universe?

•  0.10% 
• 8%
• 91.90%
• 100%

Which of the following statements best summarizes the presence of matter in the universe?

• There are more metal elements in the universe than nonmetals.
• All elements exist in an equal amount throughout the universe.
• There are more heavy elements than light elements.
• There are more light elements than heavy elements.

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.