The Big Bang Theory Review

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

• true

• false

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.

If something that makes light is moving away from you, it spreads the wavelengths of light out. This application of the Doppler effect is known as ___.

• blue shift

• green shift

• red shift

• black shift

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

Most distant galaxies show a red shift. This is considered evidence that the universe is ___.

• getting cooler

• expanding

• condensing into a small point

• swirling around

Big Bang theorists believe that most matter should be complex, large atoms, like gold and plutonium.

• true

• false

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

• hydrogen, helium, and dark matter

• gold and plutonium

• oxygen and water vapor

• carbon

Big Bang theorists believe that there should be energy left over from the Big Bang, and it should be in the form of ___.

• low level microwave energy

• extreme heat

• a swirling vortex

• visible light

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

The Big Bang Theory explains the formation of the...

• Earth

• Sun

• Universe

• Solar System