Big Bang Theory

Which of the following do scientists use as evidence for the BBT?

• expansion of the universe

• cosmic microwave background radiation

• abundance of elements in the univers

• the red shift and blue shift on the visual light spectrum

what do most scientists believe the BBT explains?

• how the universe began

• there are other galaxies and planets with life on them

• the universe is getting smaller

Which scientist is responsible for coming up with the term, "Big Bang"?

• Albert Einstein

• Robert Wilson

• Fred Hoyle

• Edwin Hubble

In what way are the galaxies moving?

• they're getting smaller

• they aren't moving

• they are moving away from each other

• they are getting bigger

How do scientists measure the movement of the galaxies?

• they use a special machine

• they measure the red shift

• they don't measure it

what is happening to the temperature of the universe as time passes?

• it is getting colder

• it is getting warmer

• it is staying the same

What are the two most abundant elements in the universe?

• hydrogen

• helium

• calcium

• oxygen

what force is responsible for the creation of stars and galaxies?

• gravity

• cosmic microwave background radiation

• the atmosphere

True or False: Cosmic Microwave Background Radiation has longer wavelengths

• true

• false

What is meant by visible light?

• anything you can see with the naked eye

• anything you can see with a microscope

• anything you can see with the lights on