Big Bang Theory Review

Front

What is the Cosmic Microwave Background Radiation?

Back

It is the leftover energy from the Big Bang, providing evidence for the universe's expansion.

Tags

NGSS.HS-ESS1-2

Front

How many miles are in one light year?

Back

One light year is equivalent to 6 trillion miles.

Front

What does redshift indicate about galaxies?

Back

Redshift occurs when galaxies move away from us, making them appear red.

Tags

NGSS.HS-ESS1-2

Front

What were the first elements formed in the universe?

Back

The first elements were light and small, primarily hydrogen and helium.

Front

How old is the universe?

Back

The universe is approximately 13.8 billion years old.

Tags

NGSS.HS-ESS1-2

Front

What is the significance of the Big Bang Theory?

Back

It explains the origin of the universe and the expansion that followed.

Tags

NGSS.HS-ESS1-2

Front

What does it mean when we say the universe is expanding?

Back

It means that galaxies are moving away from each other over time.

Tags

NGSS.HS-ESS1-2

Front

What is a light year?

Back

A light year is the distance light travels in one year, about 6 trillion miles.

Front

What is the relationship between redshift and the movement of galaxies?

Back

Redshift indicates that galaxies are moving away from us, while blueshift indicates they are moving towards us.

Tags

NGSS.HS-ESS1-2

Front

What is the temperature of the universe today compared to its early state?

Back

The universe is colder today than it was shortly after the Big Bang.

Tags

NGSS.HS-ESS1-2