Is anything that has mass and takes up space.
A pure substance is a single kind of matter that is pure, meaning it
always has a specific makeup. For example: table salt, sugar and
Every form of
matter has 2
property is a
can be observed
it into another
For example, a
physical property of
water is that it freezes
at a temperature of 0
Physical properties can be used
to classify matter.
Examples of physical
A chemical property is a
characteristic of a pure substance that
describes its ability to change into
The ability of a substance to catch fire
The ability to react: rusting
The ability to form a new substance or property
(baking a cake, burning toast).
Chemical properties are also
used to classify substances.
An element is a pure substance that
can’t be broken down into any other
substance by chemical or physical
Elements are the simplest substances.
You are already familiar with some elements.
*Aluminum which is used to
make outdoor furniture and foil.
*Pennies are made from zinc
(but covered in copper)
A mixture is made up of 2 or more
substances – elements or compounds, or
both – that are held together in the same
place but NOT chemically combined.
Can you think of any other examples?
This is a mixture that is so evenly
mixed that you cannot see the different
This is a mixture where you can see
the different parts.
An example of a
Can you think of any
Air ( nitrogen gas and oxygen gas as well as other gases)
Examples of Solutions