Universe Part 1 : Quiz

What makes up our Universe?

• Only the planets in our solar system

• Everything that exists now, existed in the past, and will exist in the future

• Only the Milky Way galaxy

• Only the known celestial bodies

How many years ago did The Big Bang occur?

• A) 4 billion years ago

• B) 14 million years ago

• C) 14 billion years ago

• D) 40 billion years ago

What was the state of all matter in the universe before The Big Bang?

• A) It was spread evenly throughout space.

• B) It was packed into a tiny ball known as singularity.

• C) It formed multiple small galaxies.

• D) It was in a state of complete disorder.

What is a galaxy composed of?

• Stars, gases, dust, and dark matter held together by a gravitational pull

• Only stars and planets

• A single massive star with planets orbiting it

• A collection of asteroids and comets

What do scientists believe is present at the center of most galaxies?

• A supernova

• A black hole

• A neutron star

• A white dwarf

What type of galaxy is the Milky Way?

• Elliptical galaxy

• Irregular galaxy

• Spiral galaxy

• Lenticular galaxy

What do stars form from?

• Water and rocks

• Gas and dust

• Ice and steam

• Plants and animals

How do scientists think black holes are formed?

• By the collision of two galaxies

• When a lot of matter gathers together in the center of a galaxy and implodes

• When a planet collapses into itself

• When an old star implodes

According to scientists, what is another way that black holes can form?

• Through the explosion of a supernova

• When a lot of matter gathers together in the center of a galaxy and implodes

• By the accumulation of dark energy

• When a black hole consumes another black hole

How does the Sun produce light and heat?

• Through the combustion of fossil fuels.

• Through the fusion of hydrogen, which creates helium.

• Through the fission of uranium.

• Through chemical reactions with Earth's atmosphere.