properties of matter - science with ms. hall -...

Warm-Up What is matter? 2 complete sentences (or more)

You can also write what is NOT

matter!

Properties of Matter

What is a Property?

Property – characteristic that enables us to

distinguish one kind of matter from another

Physical Properties A physical property can be observed or

measured without changing the

identity of the substance

Examples:

Extensive Properties

Extensive – depends on the amount of

matter present

Examples:

Intensive Properties

Intensive – does NOT depend on the

amount of matter present

Examples:

Chemical Properties A chemical property refers to the ability of a

substance to combine with or change into one or more other substances

Examples:

These properties cannot be observed without changing the substance!

New Vocabulary…

Quantitative – a

numerical description

of a substance

Qualitative – a description

of a substance that does

NOT include a number

…And There’s More…

Solubility – the maximum

amount of solute that will

dissolve in a given amount

of solvent at a given

temperature and pressure

Stability – the tendency of

a material to resist

change or decomposition

…Last Two!

State/Phase of Matter –

the physical forms in

which all matter naturally

exists on Earth

Density – a ratio that

compares the mass of an

object to its volume

Density of water = 1 g/mL

Physical Changes

Physical Change – a change in a property of

matter that does NOT result in a change in

identity of the substance

Examples:

Chemical Changes

Chemical Change – a change in which the

composition and properties of a substance

change, altering the identity of the substance

(also called a chemical reaction)

Examples:

Evidence

Formation of a gas or precipitate

Change in color

Change in temperature

Change in odor

Law of Conservation of Mass Mass is neither created nor destroyed

during a chemical reaction; it is conserved

Antoine Lavoisier

Example: https://www.youtube.com/watch?v=_Y1alDuXm6A

Game Time! Stations 1 & 2

Stations 3 & 4

Stations 5 & 6

Stations 7 & 8

Stations 9 & 10

Questions? If you don’t have any, I will