Big Bang Theory

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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The Big Bang Theory is the most widely accepted theory about the origin of the universe.

• true

• false

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A date that is commonly accepted by Big Bang theorists for the Big Bang is ____ years ago.

• One hundred thousand

• Two hundred and fifty million

• Thirteen point seven billion

• Ten trillion

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Observations of space indicate that most matter in the universe is ___.

• hydrogen, helium, and dark matter

• gold and plutonium

• oxygen and water vapor

• carbon

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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

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Which of the following is evidence of the Big Bang Theory?

• Cavemen heard a loud bang at the beginning of time.
• The universe isn't moving
• The universe is expanding
• The universe is getting smaller

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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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What can we conclude from the observation that nearly all galaxies are moving away from us?

• Massive black holes are drawing galaxies away from Earth.
• The Sun and Earth are located at the center of the universe.
• Everything in the universe is moving the same direction.
• The once-smaller universe is expanding in all directions.

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As part of the modern theory of the origins of the elements, it is hypothesized that before the formation of the stars, most of the matter in the universe consisted of what atoms?

• hydrogen and helium
• nitrogen and carbon
• silicon and lithium
• uranium and radium

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Galaxies that are REDSHIFTED are:

• actually BLUE

• really NEAR earth

• invisible or not visible

• moving AWAY from us.

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