❓ What is an atom?, 💬 An atom is the smallest part of an element., ❓ What is a molecule?, 💬 A molecule is a group of atoms joined together., ❓ What is a chemical reaction?, 💬 A chemical reaction is a process when substances change into new substances., ❓ What happens when we heat water?, 💬 Water becomes hot, then it boils and changes into gas (steam)., ❓ What is the difference between solid, liquid, and gas?, 💬 Solids have a shape, liquids flow, and gases fill the space., ❓ What is a solution?, 💬 A solution is a mixture where one substance dissolves in another., ❓ What happens when sugar dissolves in water?, 💬 Sugar disappears in water and forms a solution., ❓ What is temperature?, 💬 Temperature shows how hot or cold something is., ❓ What happens when we mix substances?, 💬 Sometimes they just mix, but sometimes a chemical reaction happens., ❓ Why do we need oxygen?, 💬 We need oxygen to breathe and produce energy in our body., ❓ What will happen if there is no water?, 💬 Living things will not survive without water., ❓ Why is science important?, 💬 Science helps us understand the world and solve problems., ❓ What is an experiment?, 💬 An experiment is a way to test an idea or learn something new., ❓ Have you ever done an experiment?, 💬 Yes, I mixed baking soda and vinegar. It produced gas and bubbles., ❓ What would you like to study in the future?, 💬 I would like to study biology and chemistry and learn how the world works..

Chemistry

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