We attended our grandfather's funeral yesterday.

He graduated top of his class from university and came home in triumph.

He says 'knowledge is power' and studies hard every day.

I have my graduation ceremony tomorrow.

I learned how to calculate rational expressions in math class.

Phoenix is one of the constellations in the southern hemisphere.

You can use spectroscopy to examine the components of a substance.

When he opened the supernatural box, an astonishing power was released.

An arc discharge occurs when electricity passes through the air.

Trigonometry is a branch of mathematics that studies the relationship between angles and triangles.