Properties
November 3 and 4
QUESTIONS
VOCABULARY
1. Which of the following are physical
properties?
A. color, texture
B. boiling point, flammability
C. odor, reactivity
D. solubility, acidity
Physical Property – can be observed or measured
w/o changing the identity
2. Which of the examples below are
chemical properties
A. density, flammability and acidity
B. shape, density and melting
C. acidity, flammability, and reactivity
D. acidity, reactivity and melting
3. In an old shed you find a rusty, bent
nail. What kind of change does the nail
exhibit?
A. physical change
B. chemical change
C. physical and chemical change
D. neither chemical nor physical
Physical Change – a change that affects one or
more physical properties of a substance
Chemical Property – describe matter based on it
ability to change into new matter with new
properties
Chemical Change – when one or more substances
changed into a new one with new properties.
Oxidation – result of the loss of one or more atoms
when substances make contact. water and air
contact iron, iron forms oxidation known as rust.
Combustion - the rapid combination of a
substance with oxygen, producing heat and usually
light.
Spontaneous combustion – ignition from the rapid
oxidation of its own constituents w/o heat from an
external source.
Crystalline solid – very orderly, 3 dimensional
arrangement of particles (diamond, ice)
Amorphous solid – particles not in any special order
( glass, rubber)
NOTES
ACTIVITY
4 signs of a chemical change
Complete property packet
pH scale
physical/chemical sheet
Test/ Indicates/Results
Litmus
Iodine
Biuret
Vinegar
False statements on white boards
When substances react with vinegar what
are they producing that is seen as
bubbles?
HW – Properties of matter practice