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Matter is anything that has mass and takes up space.
Mass is the amount of mass an object contains. Mass is measured using a scale.
Volume is the amount of space matter takes up. Volume can be measured by multiplying the length, width, and height of an object, or by using a measuring cup and seeing how the measurement of water changes in a cup.
Density is the amount of matter an object has in a certain space. To find density, divide the mass of an object by the volume of an object. D=M÷V.
A property is something that describes matter.
Physical properties are things that you can tell about an object using your senses and without changing the object. Example: a ball is round.
Chemical properties are things you can tell about an object by changing it into something new that cannot be changed back. Example: wood can burn.
The three states of matter are solid, liquid, and gas.
A solid has definite shape and definite volume.
A liquid has definite volume, but no definite shape.
A gas has no definite volume and no definite shape.
An element is any material made up of a single kind of matter. Examples of elements are gold, iron, and oxygen.
An atom is the smallest part of an element that still has that element’s properties.
A chemical symbol is one or two letter that stand for the name of an element. Examples: O stands for oxygen, Fe stands for Iron, H stands for hydrogen, and Au stands for gold.
A compound is a kind of matter made up of two or more elements that are joined together and cannot be separated. Examples: water is made of hydrogen and oxygen, and salt is made of sodium and chloride.
A molecule is the smallest part of a compound that still has that compounds properties.
A solute is the part of a solution that dissolves. Example: the powder in Kool-Aid is a solute.
