Gender roles are an important element in defining individual behavior in society.

It is important to understand the importance of health.

I am majoring in physical chemistry at university.

He is a world-famous physicist.

He loves physics and studies it in the library almost every day.

An alpha particle is the same as the nucleus of a helium atom.

The tau particle is a part of particle physics.

Beta particles have the same charge as electrons.

An antiparticle is a particle that pairs with a matter particle.

A boson is an important concept in physics.