Formation of the Universe

A theory that says the universe began as a small point that expanded rapidly about 13.8 billion years ago.

• Big Bang Theory

• Singularity Theory

• Galaxy Theory

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NGSS.HS-ESS1-2

Which description is considered most accurate regarding what actually happened during the Big Bang?

• Two galaxies collided causing an immense explosion as stars crashed into one another

• All of what would become the universe was concentrated in a single small point, or singularity, which rapidly expanded into what is now stars, planets, galaxies, matter, and energy.

• All matter emerged from a massive black hole at the center of the universe.

• Parts of the sun were ripped off by massive internal explosions and were thrown into space where they cooled to become other things, like plants, comets, and other galaxies.

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NGSS.HS-ESS1-2

Which of the following is NOT true about the Big Bang Theory?

• It is the scientific explanation of how life began on Earth and evolved over time.
• It is the scientific explanation for the origin of the universe.
• It states that the universe expanded from a single point and is still expanding today.
• It states that the universe used to be much hotter and smaller.

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NGSS.HS-ESS1-2

How old is the universe?

• 13.7 billion years old

• 13.7 million years old

• 13.7 trillion years old

• I don't know

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NGSS.HS-ESS1-2

How did scientists figure out the age of the universe?

• By making very detailed observations using telescopes and math

• By guessing

• By using a time machine

• I don't know

True or False: The universe has never stopped expanding since the Big Bang.

• True

• False

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NGSS.HS-ESS1-2

How is the "Big Bang" described?

• an explosion

• an expansion

• a contraction

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NGSS.HS-ESS1-2

What instrument has allowed us to look deep into space to observe things far away that give us hints to the past?

• The Hubble telescope

• The Eiffel Tower

• Binkley's barometer

• The Smith Space Balloon

Which two elements make up the early and current universe?

• helium and lithium

• helium and hydrogen

• oxygen and hydrogen

Which of these things happened first?

• stars and galaxies formed

• rapid expansion of the universe

• heavy elements formed

• our earth formed

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NGSS.HS-ESS1-2