Chemistry is the branch of science that studies the properties of matter and how matter interacts with energy. Chemistry is considered a physical science and is closely related to physics. Sometimes chemistry is called the "central science" because it is an important part of other major sciences such as biology, Earth science, and physics. Scientists who specialize in chemistry are called chemists.
Elements and the Periodic Table
Why is chemistry important?
Chemistry is used all around us. Doctors use chemistry to make medicine that helps us when we are sick. Engineers use chemistry to make electronics like your TV and your cell phone. Farmers use chemistry to help their crops to grow so we can have food. Even chefs use chemistry to cook delicious meals. By understanding chemistry you can better understand the world around you and how it works.
What is matter?
Matter is the stuff all around us: your computer, the air you breathe, your lunch, even you are made up of matter. When you study chemistry you will learn all about matter and its properties.
Components of Matter
Matter is composed of different building blocks.
- Atom - Matter is made up of tiny building blocks called atoms. It takes millions and millions of atoms to make even the smallest object.
- Element - Substances made up of a single type of atom are called elements.
- Compound - Compounds are made up of different types of elements.
- Mixture - A material made up of different types of compounds that do not chemically combine.
Chemistry Crossword Puzzle
Chemistry Word Search
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