The Big Bang Theory

Front

According to the Big Bang Theory, what is the relationship between time and the size of the universe from the beginning to the present?

Back

Size and time both increasing

Front

What is evidence of the Big Bang Theory?

Back

The universe is expanding

Front

What is the CMBR?

Back

Leftover heat from the Big Bang 

Front

How did the discovery of Cosmic Microwave Background Radiation support the Big Bang Theory?

Back

It supports the idea that the universe used to be hotter.

Front

Which of the following is NOT true about the Big Bang Theory? Options: 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.

Back

It is the scientific explanation of how life began on Earth and evolved over time.

Front

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

Back

The once-smaller universe is expanding in all directions.

Front

Which of the following is the best description of the Big Bang Theory?

Back

The Big Bang Theory is the prevailing model about the universe’s origin and is supported by observations of the universe’s expansion.

Front

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

Back

hydrogen and helium

Front

The three pieces of evidence for our current theory of the universe are:

Back

redshift, CMB, distribution of elements.

Front

Galaxies that are redshifted are:

Back

moving away from us.