Properties of Matter (SNC 1P1)

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PROPERTIES OF MATTER : 

PROPERTIES OF MATTER

In the Universe : 

In the Universe All things in our universe are made of Energy Matter: the material of everything in the universe

Energy : 

Energy Energy: the ability to do work Some examples of Energy: Heat Light Chemical

Describing Matter : 

Describing Matter Matter can be described through their: Physical Properties: the description of how a substance looks Chemical Properties: the substances behaviour

Physical Properties : 

Physical Properties

Physical Properties : 

Physical Properties Descriptions you use to identify a substance You can use these “properties” to figure out what something is

Physical Properties : 

Physical Properties Lets look at some examples of chemical properties.....

1) Hardness : 

1) Hardness How difficult something is to scratch, dented, or bent.

1) Hardness : 

1) Hardness Lets compare the hardness of....

1) Hardness : 

1) Hardness Lets compare the hardness of....

2) Melting Point : 

2) Melting Point Temperature at which something turns from a solid to a liquid

2) Melting Point : 

2) Melting Point Iron 1538 C

2) Melting Point : 

2) Melting Point

3) Boiling Point : 

3) Boiling Point Temperature at which a liquid turns into a gas Boiling points are different for different substances Example – Salt Water, Pure Water, Oil

3) Boiling Point : 

3) Boiling Point Lets try it out...... Water boils at _________ Salt water boils at _________ Oil boils at _________

4) Viscosity : 

4) Viscosity Viscosity is the resistance of a liquid to flowing High Viscosity – does not move Low viscosity – moves easily

4) Viscosity : 

4) Viscosity Lets guess the viscosity Honey has a ______ viscosity

4) Viscosity : 

4) Viscosity Lets guess the viscosity Toothpaste has a ______ viscosity

4) Viscosity : 

4) Viscosity Lets guess the viscosity Water has a ______ viscosity

5) Solubility : 

5) Solubility How much of a solute can be dissolved into a solvent

5) Solubility : 

5) Solubility You dissolve 10 grams of flour into 50 ml of water. What is the solute? Flour What is the solvent? Water

Solubility Test of Sugar vs Salt : 

Solubility Test of Sugar vs Salt Question? Will more sugar or salt dissolve in water? We test the solubility by adding 15 grams of Sugar into 3 tablespoons of water 15 grams of Salt into 3 table spoons of water We found that ______ has a higher solubility

6) Conductivity : 

6) Conductivity Conductivity can be electrical or thermal Heat Conductivity – ability of a substance to transfer heat Electrical Conductivity – ability of a substance to transfer electricity

Other Physical Properties : 

Other Physical Properties There are other physical properties including: Colour Smell (odour) Density – covered tomorrow Malleability – how easily a metal bends

Chemical Properties : 

Chemical Properties

Chemical Properties : 

Chemical Properties The behaviour of a chemical while it becomes a NEW substance Ex – Burning Wood Release heat Makes smoke & ash

Chemical Properties : 

Chemical Properties Example 2: Sodium Carbonate and Acid Sodium Carbonate + HCl  Carbon Dioxide + Water

Chemical Properties : 

Chemical Properties

Chemical Properties : 

Chemical Properties Lets look at some examples of chemical properties.....

1) Light Sensitivity : 

1) Light Sensitivity Some substances will change into new substances when exposed to light Ex. – Medicine Bottles

1) Light Sensitivity : 

1) Light Sensitivity

1) Light Sensitivty : 

1) Light Sensitivty

2) Combustibility : 

2) Combustibility The ability of a substance to BURN Note – burning requires presence of oxygen (air)

Is it Combustible? : 

Is it Combustible? Wood..... YES!

Is it Combustible? : 

Is it Combustible? Sand.... NO!

Is it Combustible? : 

Is it Combustible? Alcohol.... YES!

Is it Combustible? : 

Is it Combustible? Gasoline.... YES!

Is it Combustible? : 

Is it Combustible? Cement.... NO!