NASA Space Place: The Big Bang

What is the Big Bang?

• A theory about the beginning of the universe

• A theory about the end of the universe

• A type of galaxy

• A type of star

Tags

NGSS.HS-ESS1-2

Who proposed the idea that the universe started as a single point?

• Albert Einstein

• Georges Lemaître

• Isaac Newton

• Edwin Hubble

Answer explanation

Georges Lemaître proposed the idea that the universe started as a single point.

Tags

NGSS.HS-ESS1-2

What did Edwin Hubble discover about galaxies?

• They are all the same size

• They are all moving towards us

• They are moving away from us

• They are getting smaller

Answer explanation

Edwin Hubble discovered that galaxies are moving away from us.

Tags

NGSS.HS-ESS1-2

What was the universe like when it first began?

• A large black hole

• Full of stars and planets

• Hot, tiny particles mixed with light and energy

• Cold and empty

Answer explanation

The universe was hot, with tiny particles mixed with light and energy when it first began.

Tags

NGSS.HS-ESS1-2

How old is the universe?

• 1.38 billion years

• 13.8 billion years

• 138 million years

• 13.8 million years

Answer explanation

The correct age of the universe is 13.8 billion years, based on scientific observations and calculations.

Tags

NGSS.HS-ESS1-2

What formed after the tiny particles grouped together?

• Planets

• Comets

• Atoms

• Black holes

What did the first stars create?

• Bigger atoms and groups of atoms

• Galaxies

• Black holes

• Asteroids

Answer explanation

The first stars created bigger atoms and groups of atoms, leading to the formation of more complex elements in the universe.

Tags

NGSS.HS-ESS1-3

What is the Hubble Space Telescope named after?

• A famous astronaut

• A famous engineer

• A famous scientist

• A famous mathematician

Answer explanation

The Hubble Space Telescope is named after a famous scientist.

What is another name suggested for the Big Bang?

• The Universe Start

• The Great Explosion

• The Everywhere Stretch

• The Cosmic Beginning

Answer explanation

The correct name suggested for the Big Bang is 'The Everywhere Stretch'. This term highlights the idea of the universe expanding from a single point.

Tags

NGSS.HS-ESS1-2

What happens as the universe expands?

• It gets hotter

• It cools down

• It stays the same temperature

• It forms new black holes

Answer explanation

As the universe expands, it cools down due to the decrease in energy density and the expansion of space itself.

Tags

NGSS.HS-ESS1-2