Chemist

A chemist studies what things are made of and what happens when they mix, heat up, or cool down. On a regular day, they put on safety glasses and a lab coat, measure tiny amounts of powders and liquids, and stir them in glass tubes and bottles. For example, they might mix two clear liquids to see if they turn into a bright color. Unlike a biologist, who studies living things, or a physicist, who studies forces and energy, a chemist focuses on the tiny building blocks of materials and how they change.

This work shows up all around you. Chemists help make soap that gets hands clean, paint that stays bright on a wall, and medicine that is safe to swallow. They also test water to check that it is clean to drink. Every time you brush your teeth or bake a cake, you are using things a chemist helped people understand.