oxidation

이건 보통 신맛이 나고 뭔가를 녹일 수도 있는 화학 물질이야. 과학에서는 pH가 7보다 낮은 액체를 말해.

수학의 한 분야로, 식에서 모르는 값을 문자나 기호로 나타내서 답을 찾아내는 거야.

An atom is the smallest possible part of a chemical element. Everything in the world is made of millions of these very tiny particles.

Atomic relates to the very small parts called atoms that make up everything in the world. It is often used to describe science, energy, or very small things.

Calculus is a high-level branch of mathematics that studies how things change. It uses special symbols to calculate things like the speed of an object or the area of a shape.

A catalyst is something that makes a change happen faster or more easily. In science, it is a substance that speeds up a chemical reaction without being changed itself.

회로는 전기가 흐르는 완전한 경로를 말해요. 전기가 통하는 길이라고 생각하면 돼요.

The circumference is the distance around the outside edge of a circle or a round object. It is a measurement that tells you how long the boundary of a round shape is.

A constant is something that stays the same and does not change. In science and math, it is a fixed number or a part of an experiment that is kept the same while other things vary.

A decimal is a number that uses a dot to show parts of a whole. It is based on the number ten and helps show values smaller than one.