Astronomy Quiz Part 1

What process led to the transformation of radiation into matter following the 'Big Bang'?

• Nuclear fusion

• Transformation of radiation into matter

• Stellar nucleosynthesis

• Radioactive decay

Which of the following is NOT investigated by students according to the document?

• The processes that led to the transformation of radiation into matter

• The evidence that led to the discovery of the expansion of the Universe

• The structure of the Earth's core

• The types of nucleosynthesis reactions in stars

What happens when galaxies group together under gravity?

• The first atoms are formed

• The first electrons are formed

• The first stars die and expel heavy elements into space

• The first quarks are formed

What happens to the smaller clusters of gas?

• They turn into protons and neutrons

• They turn into electrons and quarks

• They collapse to form the first stars

• They turn into hydrogen and helium atoms

How big was the universe when it began?

• The size of a galaxy

• The size of a planet

• The size of a star

• The size of a single atom

How did the universe begin?

• As a violent expansion

• As a slow contraction

• As a moderate explosion

• As a gradual expansion

What is the name of the single point from which all matter and space were created?

• Singularity

• Plenitude

• Unity

• Totality

What particles form a "hot soup" in the second stage of the universe's history?

• Protons and neutrons

• Electrons, photons, and subatomic particles

• Hydrogen and helium atoms

• Stars and galaxies

What happens in stage 4 of the history of the universe?

• Formation of nuclei

• Formation of atoms

• The universe is too hot for nuclei to combine with electrons to form atoms

• Formation of stars and galaxies

Which of the following is an elementary particle?

• Proton

• Neutron

• Electron

• Atom