Topic: ______Date: ______
______
Essential Question: How do you compare physical and chemical properties of matter?
Physical and chemical change?Intensive and extensive properties?
QUESTIONS: / ______anycharacteristic of matter that can be observed or measured
______change in which the identity of the substance does not change
Examples of Physical Properties:
a.)Color and ______
b.)______and ______of substance
c.)______ the quality of being clear and
transparent
d.)______point the temperature at which a
substance changes from a solid to a liquid
e.)______ ratio of mass/volume
f.)______point the temperature at which a
liquid boils at sea level
g.)______a measure of a material's tendency to
______upon impact.
h.)______the ______of something that can be drawing into wires or hammered into thin sheets
i.)______ the tendency of a body to return to its original shape after it has been stretched or compressed
j.)______ ability to be ______or beaten into thin sheets
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______Property any property that produces a
______in the composition of the matter.
______Change - Change that occurs when a substance reacts and forms one or more new substances.
Examples of Chemical Properties:
a.)______-the ability to burn
b.)ability to ______- reacts with oxygen to produce rust
c.)reactivity with ______- reacts with baking soda to
make a gas
d.)Reactivity with ______
Why is it important to know the properties of a substance?
1.)We will know the ______of that substance
2.)It can help us ______and ______how the substance behave under various conditions
Physical vs. Chemical Change
1..Physical changes about energy and states of matter
Examples of Physical changes
a.)Melting melting ice, melting sugar
b.)______
c.)______
d.)______
e.)______
f.)______
g.)______a soda can
h.)______a steel
i.)______a paper
2. ______l Change happen on a molecular level when
you have 2 or more molecules that
______and
______new
molecules or two
Examples of Chemical Change
a.)______of Iron (Fe) the iron oxidized molecules changed their structure
b.)______a sugar cube fire activates a chemical reaction between sugar and oxygen (O2)
Evidences of Chemical Change
a.)______of ______
b.)______of ______– rusting of iron - from silver to reddish brown
c.)______in ______or energy
d.)______of ______ paper turning to ash when burned
e.)Light, heat, or sound is given off bomb ______
f.)______of ______- appears as
______in liquids
g.)Formation of a ______(insoluble particles)
h.)______of organic matter rotting of food
- In chemical change the ______product is ______from the STARTING product.
- ______properties do NOT depend on the ______of matter
a.)______
b.)______
c.)______
d.)______
- ______properties depend on the amount or quantity of matter
a.)______
b.)______
c.)______
SUMMARY: ______