Matter properties
physical chemical changes
indicators
Mixture/pure substance
solid liquid gas
100
What does quantitative property mean?
A property that has to be measured / a property in numerical form
100
Define physical change
Matter has changed form, but NOT chemical identity.
100
List an indicator of chemical changes
Color
Gas production
Light
Temperature change
Precipitate
Smell
Sound
100
Define homogeneous mixture
A mixture that has uniform composition throughout. This means there are no “clumps” of one substance in any one area.
100
Phase change from solid to liquid
melting
200
Define chemical property
a property that is observed only once the chemical identity has been changed
200
Cutting paper is a physical or a chemical change?
Physical
200
Which is NOT an indicator of a chemical change?
Light
Mass change
Temperature change
Gas production
Mass change
200
The air is what kind of mixture?
homogeneous
200
Fill in the blanks (definite/indefinite):
Solids have a _____ shape
Solids have a _____ volume
definite
definite
300
which is considered to be an extensive property?
The color brown
It has rust
Mass of 20 g
it is shiny
Mass of 20 g
300
a phase change is a chemical or a physical change? (example: liquid to gas)
physical change
300
What are two indicators that baking a cake is a chemical change?
Color change
Smell
Temperature change
Gas production
300
This is a _______
compound
300
Fill in the blanks (definite/indefinite):
Liquids have a _____ shape
Liquids have a _____ volume
indefinite / not definite
Definite
400
What is the difference between extensive and intensive?
Extensive depends on the amount of matter, while intensive depends on the type of matter
400
List one physical and one chemical change that can happen to someone's hair.
physical: cut it
chemical: it can catch on fire or be dyed a different color/ bleached
400
List an indicator that when viewing a rusting car, you know it has gone through a chemical change
Color change
400
This is:
heterogeneous mixture
400
Fill in the blanks (definite/indefinite):
Gas has a _____ shape
Gas has a _____ volume
indefinite / not definite
indefinite / not definite