5th Science - Matter
|matter||Anything with mass and that takes up space.|
|physical properties|| Measured by using your senses: |
Size, Shape, Color, Texture, Smell, Temperature
|volume||The amount of space matter takes up.|
|mass|| Measure of the amount of matter in an object or material;|
Measured with a balance or scale.
|density||The difference in the weight of two objects of the same size.|
|chemical properties of matter|| Ability of a material to change its chemical makeup or change how its molecules are put together;|
A new substance is formed when these changes take place.
|solid|| Holds its own shape;|
Molecules packed tightly together;
Usually very hard.
|liquid|| Takes the shape of its container filling from bottom up;|
Molecules loosely put together;
Weaker bonds than solids.
|gas|| No definite volume or shape, fills all available space;|
Molecules are very spread out;
Full of energy.
|physical change|| A change in the state of matter caused by a force of:|
|chemical change|| New matter forms;|
Change that occurs causing the molecules of a substance to actually change, and a new substance is formed.
|boiling point||The temperature at which a substance changes from a liquid to a gas.|
|melting point||The temperature at which a substance changes from a solid to a liquid.|
|conductivity||The ability of a material to conduct, or carry energy.|
|solubility||The measure of how much one substance can dissolve in another substance.|
|chemical reaction|| A process in which one or more substances are changed into one or more different substances;|
An example of one or more chemical changes.
|mixture|| A physical combination of two or more substances;|
It can be separated.
|solute||A substance that is dissolved in a solution.|
|solution||A mixture of two or more substances that are evenly distributed throughout the mixture.|
|solvent||A substance that dissolves the solute in a solution.|
|element||A pure substance that cannot be broken down into other substances.|
|atom||The smallest particle of an element that still has the properties of that element.|
|molecule||The smallest particle of a substance that retains the chemical and physical properties of the substance and is composed of two or more atoms.|
|compound||A pure substance made of two or more elements that are chemically combined.|