PHYSICAL PROPERTIES
CHEMICAL PROPERTIES
DEFINITION: A property that can be observed without
changing the identity of the substance.
DEFINITION: A property that can be observed by changing
the identity of the substance.
EXAMPLES:
Luster
height/length
malleability
melting point
boiling point
density
solubility
specific heat
weight
mass
ductility
EXAMPLES:
Flammability
Ability to rust
Reactivity to vinegar
Mixing chemically reactive substances
PHYSICAL CHANGES
CHEMICAL CHANGES
DEFINITION: changes that alter the size, shape, location, or
physical state of a substance but not its chemical state.
DEFINITION: changes that alter the chemical make up of
the substance being changed.
EXAMPLES: cutting your hair, coloring on paper,
molding(shaping) Play-doh
EXAMPLES: burning anything, eating/digesting food
INDICATORS:
Cutting
Tearing
Shredding
Grinding
Shrinking
Enlarging
Change in state of matter
relocating
dissolving
rotating
molding (shaping)
INDICATORS:
Creation of a gas (bubbles)
Creation or loss of heat
Fire
Rotting
Breaking down (decomposition)
Precipitation (example: sour milk clumps)
Cooking
Rusting (oxidation)
Unexpected color change