oxygen

یه ماده شیمیاییه که معمولاً مزه ترش داره و می‌تونه چیزها رو حل کنه. تو علم، به مایعی می‌گن که پی‌اچش از هفت کمتر باشه.

یه شاخه از ریاضیه که توش از حروف و علامت‌ها به جای عددهای مجهول استفاده می‌کنیم تا بتونیم جواب مسئله رو پیدا کنیم.

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.

مدار یه مسیر کامله که برق ازش رد میشه. مثل یه حلقه بسته که برق توش می‌چرخه.

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.