1. Physical Properties and Changes
Unit 3
Physical Properties and Changes

2. ???
hypothesis
experiment
Law
Theory

3. qualitative quantitative qualitative quantitative qualitative
Goku:
is a man
eats 10 bowls of rice for dinner
is very strong
has a power level OVER 9000!!
has gold hair l
Qualitative observation
Word description
Quantitative
Number description
qualitative
quantitative
qualitative
quantitative
qualitative

4. Chemical Property Physical Property Observed when matter is changing
Ex. Oil is flammable, water is not
Physical Property
Observed without changing the matter
Ex. Water has no colour

5. Hardness
How hard or soft is a solid
Ex. Diamond is very hard

6. Malleability
Ex. Aluminum (Al) is malleable

7. Ductility
Ex. Copper (Cu) is ductile

8. Lustre
Silver (Ag) has high lustre
Sulfur (S) has low lustre

9. Diffusion

10. Water and oil are immiscible

11. mass
volume

15. Homogeneous
Heterogeneous
uniform properties
variable properties
1 phase
> 1 phase

21. Classification of Matter
Pure
Substance
Mixture
Element
Compound
Solution
Suspension
Mechanical
Non-
metal
Metal
Ionic
Covalent

22. Homogeneous Heterogeneous uniform properties variable properties
1 phase
> 1 phase
heterogeneous
mechanical mixture
of various beans
heterogeneous
solution of
Coke and ice
homogeneous
mechanical mixture
of various beans
homogeneous
solution of Coke