Physicists explore the mysteries of the universe at the quantum scale.

In physics, the energy quanta describe the discrete levels that energy can take.

The qualifications required for this position are very specific.

In today's geometry lesson, we learned how to calculate the area of a quadrangle.

This round table is quadripartite.

They have well qualified the team for the final.

Bullfighting is an ancient tradition in certain regions of Spain.

They are searching the area to find the fugitive.

She is a committed Quaker involved in charitable work.

The sixty-fourth note is the shortest note value in music.