Big Bang Theory Quiz

According to the Big Bang Theory, when did the universe begin?

• 1 billion years ago

• 100 million years ago

• 13.7 billion years ago

• 100 billion years ago

What subatomic particles formed during the rapid expansion of the universe?

• Neutrons and protons

• Neutrons and positrons

• Protons and electrons

• Electrons and neutrons

What happened to the temperature as the expansion of the universe continued?

• It decreased

• It increased

• It fluctuated

• It remained constant

What were the first atomic nuclei to form during the cooling of the universe?

• Helium

• Lithium

• Oxygen

• Hydrogen

When did electrons start to form complete atoms?

• Immediately after the expansion

• 400,000 years after the expansion

• 9 billion years after the expansion

• 300 million years after the expansion

How are elements heavier than lithium formed?

• Through fusion reactions

• Inside stars

• During the rapid expansion

• During supernovas

What did Edwin Hubble discover about the movement of galaxies?

• They are moving towards each other

• They are randomly moving

• They are stationary

• They are moving away from each other

What phenomenon did scientists use to detect the movement of distant stars?

• The Newton's laws

• The Doppler effect

• The Quantum theory

• The Theory of relativity

What is the name of the radiation released by the early universe?

• Gamma radiation

• Cosmic background radiation

• X-ray radiation

• Ultraviolet radiation

How did radio astronomers Arno Penzias and Robert Wilson accidentally discover microwave background radiation?

• By studying the Sun

• By analyzing cosmic rays

• By observing supernovas

• By using a large radio antenna