C3) Physical Properties & Physical Change Flashcards
0
Q
What are physical properties?
A
Physical properties describe how an object IS, by itself. Senses and measurements help to describe physical properties.
1
Q
What are properties?
A
Properties Describe substances and help to identify them
2
Q
Qualitative Physical Properties
A
Qualitative Physical Properties do not require measurement.
3
Q
Examples
Qualitative
A
Sight: colour, shape, clarity Hearing: screeching, high pitch, muffled Touch: texture, temperature Taste: sour, sweet, butter, salty Smell: strong, potent, faint, repulsive
4
Q
Quantitative Physical Properties
A
Quantitative Physical Properties are measured
5
Q
Examples quantitative:
A
Density Volume Mass Highly Melting point Length
6
Q
Physical change!
A
If matter changes state or form, but is still the same substance, then it is a physical change.
7
Q
Example of physical change
A
- DISSOLVING salt in water
- CRUSHINGLY chalk or CUTTING paper
- MIXING food colour and water
- CHANGING STATE: melting, evaporating, etc.
