Unit 4 interim

The Big Bang Theory suggests that our universe formed as the result of a huge explosion that sent all existing matter flying outward from a single point. The Big Bang Theory is supported by which of these observations?

• All matter in the universe is composed of the same atoms.

• All galaxies appear to be moving away from all other galaxies.

• All stars in the universe are approximately the same age.

• The universe is relatively the same temperature in all locations

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The theory of the origin of the universe that is most popular among space scientists suggests that our universe originated how long ago? (HINT: think of the song lyric to the opening of the show)

• 10 – 20 centuries ago

• 10 – 20 thousand years ago

• 10 – 20 million years ago

• 10 – 20 billion years ago

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What were the original two elements in our universe?

•  

  Hydrogen and Lithium

• Helium and Oxygen

• Helium and Hydrogen

• None of the these

The red-shift in the spectral lines of light, reaching us from other galaxies implies that these galaxies ____________.

• are moving closer to one another

• are moving farther apart from one another

• are in rapid rotation

• are not effected by red-shift because it doesn´t exist

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The term big bang refers to _______________.

• the origin of the universe

• the ultimate fate of the universe

• a supernova explosion

• the formation of a quasar

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 The light we see from objects in the sky are from the past.

• True

• False

 

The universe is currently ___.

•  

  expanding

• staying the same

• getting smaller

• not changing

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The first Scientist to to present observational evidence that supported that the universe is expanding (aka... red shift) was _____. (HINT: there is a telescope named after him)

• Edwin Hubble

• Albert Einstein

• George Gamow

• Georges Lemaitre

Cosmic Microwave Background Radiation (CMBR) is the term used to describe the residual microwave radiation observed everywhere in the universe that seems to have no single source. The observation of CMBR is used as evidence of the Big Bang Theory because it is believed to be ___.

• the result of collisions between neighboring galaxies

• particles of dust that have absorbed radioactivity

• radiation left over from the rapid expansion of matter

• light energy emitted from the source of the Big Bang

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Which of these are theories of the origin of the universe that we discussed in class and you did your research on?

• Big Bang Theory

• Heliocentric Model

• Creation

• Red Shift

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