What does the Big Bang Theory explain?
a) The formation of Earth
b) The origin of the universe
c) The movement of planets
d) The creation of black holes
What event is described by the Big Bang Theory?
a) The collapse of a star
b) The beginning of space and time
c) The birth of stars
d) The creation of a galaxy
When is it believed the Big Bang occurred?
a) 13.8 billion years ago
b) 5 billion years ago
c) 1 million years ago
d) 100 billion years ago
Which evidence supports the Big Bang Theory?
a) Evolution of species
b) Cosmic Microwave Background Radiation
c) Formation of Earth
d) Photosynthesis in plants
What is the Cosmic Microwave Background Radiation (CMB)?
a) Radiation from stars
b) Heat left over from the Big Bang
c) Light from galaxies
d) Emission from black holes
What does the redshift of galaxies indicate?
a) The presence of dark matter
b) The expansion of the universe
c) The formation of stars
d) The existence of black holes
What was the state of the universe at the very beginning of the Big Bang?
a) Cold and empty
b) A dense and hot singularity
c) A calm, steady state
d) A giant nebula
What is the “singularity” in the context of the Big Bang Theory?
a) A type of galaxy
b) A point of infinite density
c) A black hole
d) A dark matter anomaly
Which of the following describes the “expansion” of the universe according to the Big Bang Theory?
a) The universe is getting smaller over time
b) The universe is expanding outward from a single point
c) The universe will eventually collapse
d) The universe remains static in size
Which of these was a direct consequence of the Big Bang?
a) The formation of supernovae
b) The creation of the first galaxies
c) The formation of the Earth
d) The development of the first stars
What was the universe like during the first few minutes after the Big Bang?
a) Filled with solid matter
b) A hot, dense plasma
c) Empty space with no particles
d) A calm, balanced system
What does “Hubble’s Law” suggest about the universe?
a) The universe is static
b) Galaxies are moving away from each other
c) The universe is shrinking
d) All galaxies are moving towards Earth
Who first proposed the Big Bang Theory?
a) Albert Einstein
b) Edwin Hubble
c) Georges Lemaître
d) Isaac Newton
Which phenomenon caused the first elements (hydrogen, helium) to form shortly after the Big Bang?
a) Stellar fusion
b) Nuclear fusion in the early universe
c) Gravitational collapse
d) Supernova explosions
How did the Big Bang Theory revolutionize our understanding of the universe?
a) It suggested the universe is static and unchanging
b) It explained that the universe has always existed in its current form
c) It proposed the universe has a definite beginning and has been expanding ever since
d) It provided a framework for predicting the end of the universe
What is the current fate of the universe according to the Big Bang Theory?
a) The universe will continue to expand forever
b) The universe will eventually collapse back on itself
c) The universe will stop expanding and stabilize
d) The universe will form a black hole
What major discovery in the 20th century supported the Big Bang Theory?
a) The discovery of Pluto
b) The discovery of the Cosmic Microwave Background Radiation
c) The discovery of dark matter
d) The discovery of black holes
How long after the Big Bang did the first atoms (like hydrogen and helium) form?
a) A few seconds
b) A few minutes
c) A few hundred thousand years
d) A few billion years
What is the “dark age” in the context of the Big Bang Theory?
a) A time when the universe was completely dark
b) A period before the formation of stars
c) A time after the Big Bang when stars were forming
d) A period when black holes began to form
What type of radiation did scientists observe as evidence of the Big Bang?
a) X-rays
b) Cosmic microwave background radiation
c) Gamma rays
d) Radio waves
What theory explains the uniform distribution of galaxies throughout the universe?
a) General relativity
b) Steady state theory
c) Big Bang Theory
d) Quantum theory
Which element was most abundant in the early universe after the Big Bang?
a) Helium
b) Oxygen
c) Hydrogen
d) Carbon
What does “redshift” observed in distant galaxies tell us about the universe?
a) The universe is shrinking
b) The galaxies are moving towards Earth
c) The universe is expanding
d) The universe is in a steady state
Which force played a major role in the early expansion of the universe?
a) Gravity
b) Electromagnetism
c) Nuclear force
d) Dark energy
Which of the following was a critical part of the Big Bang Theory’s development?
a) The development of quantum mechanics
b) The discovery of the heliocentric model
c) The discovery of radio waves from space
d) The understanding of stellar fusion
What is “inflation” in the context of the Big Bang Theory?
a) The universe’s expansion at an accelerated rate in the first few moments after the Big Bang
b) The growth of galaxies over time
c) The creation of the first stars
d) The increase in mass within the universe
What did the Big Bang Theory imply about the universe’s size at the beginning?
a) It was infinite
b) It was incredibly small and dense
c) It was the size of the Milky Way
d) It was the size of a galaxy
What is the future of the universe according to current Big Bang Theory interpretations?
a) The universe will collapse on itself in a “Big Crunch”
b) The universe will remain static
c) The universe will continue to expand and cool
d) The universe will be destroyed by black holes
