Quiz on the Big Bang Theory and Light Waves

Why do scientists accept the Big Bang theory?

• It is a belief based on faith and religion.

• Three pieces of evidence support the theory.

When light (from a star) is traveling AWAY from the Earth, what color shift does it have?

• Redshift

• Blackshift

Which sentence describes the light waves of Star D?

• The light waves are being compressed (squeezed together), because the star is traveling toward the earth.

• The light waves are being stretched out, because the star is traveling away from the earth.

Which star is MOVING AWAY from Earth the fastest?

• Star B

• Star D

Examine the 'Red Shifted Galaxies.' Which statement is true about the graph?

• The closer a galaxy is to the earth, the faster it is moving.

• As galaxies get farther from the earth they also get faster.

Which elements formed shortly after the Big Bang?

• Hydrogen, helium

• Nitrogen, carbon dioxide

How does Cosmic (Microwave) Background Radiation support the big bang theory?

• It is a part of the theory that has never been explained.

• It is energy left behind from the Big Bang expansion/explosion in the form of radiation.

The apparent change in the wavelength or frequency of the energy emitted by a moving object is called...?

• Galileo Effect

• Doppler Effect

Hubble discovered that the light coming from most galaxies in the universe have red shifted spectrums. This meant that...?

• The galaxies are moving away from us.

• The universe is constant -- it had no beginning.

Scientists have estimated the age of the universe to be approximately...?

• 13.8 million years old

• 13.8 billion years old