1. Unit 1 Lesson 2 Properties of Matter
Big Idea: Matter is described by its properties and may undergo changes
Unit 1 Lesson 2 Properties of Matter
Essential Question: What are physical and chemical properties of matter?
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2. Warm-up. What is the density of this object? 515g Volume 24cm3
515g/24cm3=21.45g/cm3

3. Physical Education What are physical properties of matter? P21/22
Unit 1 Lesson 2 Properties of Matter
Physical Education
What are physical properties of matter?
A characteristic of a substance that can be observed without changing the identity of the substance is called a physical property.
All of the senses can be used to observe physical properties: Color, shape, size, etc…
Active Reading #3
Solubility is the ability of a substance to dissolve in another substance

4. What are physical properties of matter?
Unit 1 Lesson 2 Properties of Matter
What are physical properties of matter?
Mass, volume and Density are physical properties.
Changing the mass or volume of a substance does not change the substance’s identity.

5. What are physical properties of matter?
Unit 1 Lesson 2 Properties of Matter
What are physical properties of matter?
The state of matter is a physical property. The state of matter is the physical form of the matter.
Most matter exists as a solid, liquid, or gas.
Visualize It #6
Gold: liquid/solid, yellow in color, ability to be shaped.
Table: round, large, solid

6. What are physical properties of matter?
Unit 1 Lesson 2 Properties of Matter
What are physical properties of matter?
Electrical conductivity is a measure of how well electric currents move through a substance.
Thermal conductivity is the rate at which a substance transfers heat.
Density is the measure of the amount of mas in a given amount of volume
#8 Explain
The vinegar is more dense than the oil

7. What are physical properties of matter?
Unit 1 Lesson 2 Properties of Matter
What are physical properties of matter?
Solubility is the ability of a substance to dissolve in another substance.
Malleability is the ability of a substance to be rolled or pounded into various shapes.
Magnetic attraction is also a physical property that can be observed when metal attracts another metal
#9 Predict
Solubility is a physical property, the solid particles of the drink would be left behind. Their identity does not change
#10 Identify

8. What are physical properties of matter?
Unit 1 Lesson 2 Properties of Matter
What are physical properties of matter?
The melting point of a substance is the temperature at which it changes from a solid to a liquid.
The shine, or luster, of a metal can be easily observed. How it reflects light
The boiling point of a substance is the point at which the substance boils.
#11 Infer
Both the geyser’s eruption and the tea kettle’s whistle are caused by water vapor. As water boils, vapor escapes though a hole

9. Does NOT change the identity
Physical Properties
Electrical conductivity
Density
Thermal conductivity
Solubility
Malleability
Luster
Melting Point
Boiling point
Magnetic attraction
Mass
Volume
State of matter (solid, gas, liquid)
Does NOT change
the identity

10. Identity Theft What are chemical properties of matter? P26
Unit 1 Lesson 2 Properties of Matter
Identity Theft
What are chemical properties of matter?
A chemical property describes the ability of a substance to change into a new substance with different properties.
The ability to rust or tarnish is a chemical property. When a metal rusts or tarnishes, it changes to a different substance.

11. What are chemical properties of matter?
Unit 1 Lesson 2 Properties of Matter
What are chemical properties of matter?
Chemical properties can be identified by the changes they produce.
Flammability is the ability of a substance to burn.
Reactivity is the ability of a substance to interact with another substance and form one or more new substances.

12. Ability to change the identity and form a new substance
Chemical Properties
Ability to rust
Ability to tarnish
Flammability
Reactivity
Ability to change
the identity and form
a new substance

13. What is the difference between physical and chemical properties?
Unit 1 Lesson 2 Properties of Matter
Property Boundaries
What is the difference between
physical and chemical properties?
Physical properties can be observed without changing the identity of a substance.
Chemical properties can be observed only by changing the identity of a substance.
Active Reading #14
Physical Property can be seen without changing the identify of the matter.
Chemical Property has the ability to change the substance.
Visualize it #15
The left nail shows the physical property of malleability
The right nail shows the chemical property of reactivity

14. What is the difference between Chemical & Physical properties?
Unit 1 Lesson 2 Properties of Matter
What is the difference between Chemical & Physical properties?
Malleable
Reacts with oxygen
Magnetic
Luster
Nonflammable
Physical
Chemical
Physical
Physical
Chemical

15. Physical Properties
Chemical Properties

16. What is the difference between physical and chemical properties?
Unit 1 Lesson 2 Properties of Matter
Property Boundaries
What is the difference between
physical and chemical properties?
Properties unique to a substance are its characteristic properties.
Characteristic properties stay the same regardless of the amount of the sample. (Density)
Characteristic properties can be physical properties or chemical properties.
#20 Infer
Yes No
Color of your sample
What happens when you strike you sample with a hammer
The location where your sample was found X X X

17. Do the Math (#21) Mass = 64.54g Volume = 14 cm3 Density D = m/v
P31
Mass = 64.54g
Volume = 14 cm3
Density
D = m/v
D = 64.54g / 14cm3
4.61 g/cm3
The given units are grams per cubic centimeters and the measure found is density. Therefore the units should be g/cm3 .
ANSWER: No the sample is not gold
What do you know?
What do you want to find?
write the formula
substitute the given values
Solve (divide)
Check your units