He has a deep interest in geomancy.

Stoichiometry is a method for calculating the amount of substances in a chemical reaction.

Thermochemistry is a part of chemistry that deals with the reactions of heat and matter.

Thermochemistry is a branch of chemistry that studies the interaction of heat and matter.

He is majoring in logic.

The opening day of the new semester is April 1st.

The new university will open next week.

We are planning to go to the science museum this weekend.

He is my schoolmate.

He is an expert in seismology.