Big Bang Theory

Front

According to the Big Bang Theory, which graph best represents the relationship between time and the size of the universe from the beginning of the universe to the present? Options: Size decreasing as time increases, Size and time both increasing, Size does not change as time increases, Size increases, then decreases as time increases

Back

Size and time both increasing

Front

Which of the following fits into our description of the Big Bang Theory?
Options:
Cavemen heard a loud bang at the beginning of time.
The universe isn't moving
The universe is expanding
The universe is getting smaller

Back

The universe is expanding

Front

Which of the following does NOT fit into our description of the Big Bang Theory? Abundance of Hydrogen and Helium, CMBR everywhere you look, Stars that are blue shifted, the universe is getting bigger

Back

Stars that are blue shifted

Front

What is the Cosmic Microwave Background Radiation?

Back

Light from when the Universe was very young

Front

Approximately how old do scientists think the universe is?

Back

14 billion years

Front

What is the most abundant element in the Universe?

Back

Hydrogen

Front

Which of the following statements best summarizes the presence of matter in the universe? Options: There are more metal elements in the universe than nonmetals., All elements exist in an equal amount throughout the universe., There are more heavy elements than light elements., There are more light elements than heavy elements.

Back

There are more light elements than heavy elements.

Front

Which of the following descriptions best summarizes what the Universe was like in the past? Colder, smaller, more dense, hotter, bigger, more dense, hotter, smaller, more dense, colder, bigger, less dense

Back

hotter, smaller, more dense

Front

Which description best summarizes what scientists think the Universe will be like in the future? Options: colder, bigger, more dense; hotter, bigger, less dense; hotter, smaller, more dense; colder, bigger, less dense

Back

colder, bigger, less dense

Front

Which of the following is NOT true about the Big Bang Theory? It is the scientific explanation of how life began on Earth and evolved over time., It is the description for what the universe was like in the past, present, and future., It states that the universe expanded from a very small size 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.