The Origins of the Universe Reading Science

What is the most popular theory for the creation of the universe?

• The big bang theory

• The mythological theory

• The black hole theory

• The expansion theory

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How did the universe begin according to the big bang theory?

• With a powerful explosion of energy

• With the formation of galaxies and stars

• With the cooling down of the universe

• With the expansion of a small area

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Draw your interpretation of the big bang

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What evidence supports the big bang theory?

• The discovery of traveling galaxies

• The launch of the Cosmic Background Explorer satellite

• The measurement of cosmic microwave background radiation

• All of the above

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When was the universe estimated to be formed?

• Less than 1 billion years ago

• Around 5 billion years ago

• Around 10 billion years ago

• More than 13 billion years ago

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What did scientists discover when they pointed the Hubble Space Telescope into an empty area of space?

• Thousands of galaxies

• No galaxies

• Only one galaxy

• Billions of galaxies

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How many galaxies are estimated to be in the universe?

• Less than 10 billion

• Around 20 billion

• Around 50 billion

• More than 100 billion

The big bang can be best described as a (a)   expansion of a small, ​ (b)   packed area that expanded the universe as we know it.

• rapid
• densely
• slow
• scattered

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How far are the farthest galaxies from Earth?

• Less than 1 light year

• Around 5 light years

• Around 10 light years

• More than 13 billion light years

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