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- 1. Multiple Choice
When did the Big Bang happen?
About 14 billion years ago
1 billion year ago
About 10 billion years ago
About 14 trillion years ago
- 2. Multiple Choice
What was the Universe like at the beginning?
Cold, dense
Hot, dense
Warm, dense
Cool, dense
- 3. Multiple Choice
Do we know exactly what happened the first 300,000 years ago?
Yes, we can look at the stars and study it as what we see is from the past
No, we use the knowledge gained by colliding subatomic particles at CERN and computer models to make simulations of what may have happened
- 4. Multiple Choice
Which statement below is INCORRECT about star formation during the beginning of the Universe?
Stars formed at a rate of 10 times HIGHER than present-day Universe
The gas eventually became hot and dense for stars to be born
Large clusters of cloud began to form the first galaxies
Stars formed at a rate of 10 times SLOWER than present-day Universe
- 5. Multiple Choice
What allowed the formation of stars?
The dense areas pulled in material because of gravity
The Universe was filled with clouds of hydrogen and helium gas
The gas eventually became hot and dense
All of the above
- 6. Multiple Choice
What do we believe the Universe was like 14 billion years ago?
Hot and dense
Small
Everything was contained within a space smaller than a pinhead
All of the above
- 7. Multiple Choice
Which is the correct order for the sequence of how our universe formed after the initial appearance:
(1) gravity pulling in materials, (2) formation of atoms, (3) formation of stars from hot & dense gas, (4) clusters of stars forming into galaxies, (5) cooling, (6) expansion
(1) cooling, (2) expansion, (3) formation of atoms, (4) formation of stars from hot & dense gas, (5) gravity pulling materials, (6) clusters of stars forming into galaxies
(1) expansion, (2) cooling, (3) formation of atoms, (4) gravity pulling in materials, (5) formation of stars from hot & dense gas, (6) clusters of stars forming into galaxies
(1) gravity pulling in materials, (2) formation of atoms, (3) formation of stars from hot & dense gas, (4) clusters of stars forming into galaxies, (5) expansion, (6) cooling
- 8. Multiple Choice
Select below the evidence(s) that explain the Big Bang theory?
An explosion in space
A faint glow in space
the cosmic microwave background
patchy pattern of slightly warmer and cooler gas
- 9. Multiple Choice
What two elements were present for stars to begin to form?
Carbon and helium
Hydrogen and oxygen
Methane and helium
Helium and hydrogen
- 10. Multiple Choice
How long after the Big Bang did the first stars begin to form?
10 million years
100 million years
1 billion years
10 billion years
- 11. Multiple Choice
How were larger galaxies formed?
Through collisions
Small galaxies were in close proximity to each other
Smaller galaxies merged with each other
All of the above
- 12. Multiple Choice
What is the Cold Death/The Big Freeze?
The death of the Universe
No usable energy/heat exists
No galaxies will come in contact to form new stars
All of the above
- 13. Multiple Choice
Which theory explains that the universe will expand more quickly and tear apart?
The Big Crunch
The Big Rip
The Cold Death
Red-Shifting
- 14. Multiple Choice
Which theory explains that galaxies will come together to possibly start another Big Bang?
The Big Crunch
The Big Rip
The Cold Death
Red-Shifting
- 15. Multiple Choice
What is Red-Shift?
Astronomers use this to describe how far away galaxies are relative to Earth
Light waves are stretched into the lower frequencies
Light waves are shifted into lower frequencies
All of the above
- 16. Multiple Choice
The reason that most scientists do not believe the universe has a closed geometry, which would cause it to collapse in the future, is that they do not believe there is/are enough —
black holes
dark matter
gamma radiation
galaxies
- 17. Multiple Choice
Which of the following is NOT evidence of the Big Bang Theory?
Abundance of Hydrogen and Helium
Stars that are blue shifted
The expanding universe
CMBR (cosmic microwave background radiation)
- 18. Multiple Choice
At what temperature, following the Big Bang, was it cool enough for atoms to form?
3 K
About 3000 K
10^10 K
10^28 K
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