The Big Bang

According to the Big Bang Theory, what is happening to the size of the universe?

• The universe is growing

• The universe is shrinking

• The universe is staying the same size

• The universe rides on the back of four elephants, supported by a turtle.

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NGSS.HS-ESS1-2

What does the BBT hypothesize about the size of the early universe?

• The universe used to be much much larger than it is today.

• The universe used to be a tiny speck of super-dense matter.

• The universe has always been the same size

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NGSS.HS-ESS1-2

How old was the universe when the very first atoms started to form?

• Atoms formed at the instant of the Big Bang

• Atoms formed a few hundred million years after the Big Bang

• Atoms formed in the first seconds after the Big Bang

• Atoms still haven't formed. We can't see them, so they don't exist.

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NGSS.HS-ESS1-2

According to the Big Bang, about how old is the universe?

• Like, 3 or 4 weeks?

• 175 million years old

• 14 billion years old

• 37 trillion years old

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NGSS.HS-ESS1-2

Which of the following is the best description of the Big Bang Theory?

• The Big Bang Theory is the prevailing model about the universe’s origin and is supported by observations of the universe’s expansion.

• The Big Bang Theory is just one of the ideas about the universe’s origin, many of which are equally respected by the scientific community.

• The Big Bang Theory states that pre-existing matter was compacted into a hot and dense form and suddenly exploded into infinite, empty space.

• The Big Bang Theory is the scientific explanation of how the Sun, Earth, and the rest of the Solar System were formed at the beginning of time.

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NGSS.HS-ESS1-2

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

• From a great explosion of a massive star

• From a small, dense, hot bubble that rapidly expanded

• From the collision of two or more galaxies

• From a gradual expansion of existing matter

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NGSS.HS-ESS1-2

When did the big bang occur?

• 5000 yrs ag0

• 13.7 billion yrs ago

• 2 million yrs ago

• Unknown

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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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Which of the following theories states that the universe began as a single point and has been expanding ever since?

• The Big Bang Theory

• Simultaneous formation theory

• Impact Theory

• Collision Theory

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NGSS.HS-ESS1-2

According to the big bang theory, the universe was formed about ​ ​ (a)  

• 14 billion years ago

• 4.7 billion years ago

• 700 billion years ago

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NGSS.HS-ESS1-2