Because of this, the electrons’ movements become so limited that they can hardly move at all, which is why solids are usually hard. When the matter is in a solid state, its molecules are tightly packed together and arranged in a regular pattern. Solids are matters that can hold their shape. So, matter on Earth comes in three different forms (or states): solids, liquids, and gases. The air we breathe, the books we read, and the water we drink are all examples of matter. Atoms and Molecules are, in turn, made up of protons and electrons. These objects fit together to form larger objects like sand, cars, water, and planets. The matter is made up of millions of tiny objects called atoms and molecules. It is part of anything that we use on a daily basis, including the air we breathe. What is Matter?Įverything on our planet that we can see, touch, or feel is made up of matter. In this lesson, we are going to learn everything about solids, liquids, and gases. The screen you are looking at is solid, your blood is liquid, and the air you breathe is gas. If you look around, you will likely see one of these three states or all three. So, what are these states? They are the states of matter. These three states are solids, liquids, and gases. Everything in our world (and the whole universe) exists in one of three states.
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