Big Bang Theory Reading Quiz

What does the Big Bang theory help us understand about the Universe?

• The origin of the Universe and its continuous expansion

• The creation of stars and planets only

• The process of galaxies merging

• The cooling down of the Universe

According to the Big Bang theory, how old is the Universe estimated to be?

• About 13.8 billion years

• About 4.5 billion years

• About 10 billion years

• About 20 billion years

What analogy is used in the text to explain the expansion of the Universe?

• Inflating a balloon

• Stretching a rubber band

• Filling a glass with water

• Lighting a candle

What phenomenon do scientists observe that supports the idea that the Universe is expanding?

• Redshift of light from distant galaxies

• Blue shift in nearby galaxies

• Constant light from all galaxies

• Dimming of light from distant stars

What evidence from the Cosmic Microwave Background (CMB) supports the Big Bang theory?

• Radiation is spread out evenly across the sky

• Radiation is concentrated in one part of the sky

• Radiation varies greatly across different regions

• No radiation is detectable

What does the Big Bang theory suggest about the universe?

• It is contracting

• It is static

• It is expanding

• It is oscillating

How might one explain the Big Bang to a kindergartener?

• Using a balloon analogy

• By describing complex physics

• Through detailed chemical reactions

• By explaining black holes

Which method do scientists use to determine that the universe is expanding?

• By observing the rotation of galaxies

• By measuring the temperature of stars

• By studying the redshift in the light from galaxies

• By detecting the size of the universe directly