This shirt has fine fibres and is very soft.

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

I am majoring in physical chemistry at university.

He is a world-famous physicist.

Kinetic energy is directly related to the speed of an object.

Fiber optics is a part of communication technology.

The use of renewable energy helps protect the global environment.

He has a deep interest in archaeology.

He understands the importance of learning.

He is majoring in psychology.