The Big Bang Quiz

When did most astronomers believe the Universe began?

• 10 billion years ago

• 14 billion years ago

• 5 billion years ago

• 20 billion years ago

What happened to the Universe at the time of the Big Bang?

• It remained the same

• It suddenly expanded

• It disappeared

• It shrank in size

What began with the Big Bang?

• Time, space, and matter

• Only matter

• Only time

• Only space

What happened to energy and antimatter after the Universe expanded and cooled?

• They combined to form matter

• They disappeared completely

• They remained the same

• They formed stars

What formed when the Universe was one second old?

• Galaxies

• Atoms

• Protons and neutrons

• Hydrogen and helium nuclei

What does the cosmic microwave background show about the universe 300,000-400,000 years after the Big Bang?

• The universe was empty

• The universe was fairly uniform with no stars

• Stars had already formed

• The universe was shrinking

When did the first stars form after the Big Bang?

• 1 billion years after

• 1 million years after

• 100 million years after

• 500,000 years after

What happened to the distance between galaxies as the balloon representing the Universe expanded?

• It remained the same

• It disappeared

• It increased

• It decreased

What is the hypothetical scenario for the ultimate fate of the universe where the expansion reverses and the universe shrinks into another singularity?

• The Big Crunch

• The Cold Death

• The Big Freeze

• The Big Rip

What kind of energy could cause The Big Rip?

• Sound energy

• Heat energy

• Dark energy

• Light energy