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Matter

Matter is all around us. Matter is the air you are breathing. Matter is the computer you are reading from now. Matter is the stuff you touch and see. And it is more. Matter is defined as anything that has mass and takes up space. Matter is

found in 3 major states.

There is more about

matter later, but first

let's learn about the

three states of matter.

Properties of matter

States of matter

Each state of matter has its own chemical and physical properties. The phases of matter you need to know are solid, liquid, and gas.

Solid - a solid has a definite shape and volume. Ex: Ice, rock, or books

Liquid - a liquid has a definite volume, but can change shape. Ex: Water, soda, or Gatorade

Gas - the shape and volume of a gas can change. Ex: Steam, oxygen, or nitrogen

Matter has two different properties to it. It has a physical property and a chemical property. Both properties can change and it's called physical change and chemical change.

Physical Change - does not produce a new substance

Ex: crushing a can

Chemical Change - produces a new substance

Ex: burning, rusting, photosynthesis

Phase Changes

Phase change is another form of physical change.

Melting - melting occurs when a substance changes from a solid to a liquid

Boiling - boiling is when a substance changes from a liquid to a gas

Condensing - condensation is when a gas changes to a liquid

Freezing - freezing is when a liquid changes to a solid

these are all phase changes

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