TUESDAY – SEPTEMBER 6TH
Period 5 & 6
Vocabulary Chart Review and Review Questions
Students will use the textbook to
completing the vocabulary chart. Use pages 90 - 104.
WEDNESDAY
– SEPTEMBER 7TH
a. Mixtures
Worksheet (Questions 1-5) Please write on your own paper or you may print sheet out from blog link here: http://kms.kcs.k12.nc.us/common/pages/DisplayFile.aspx?itemId=7019628
b. Mixtures,
Compounds and Solutions Comparison Chart Sheet (Please write on your own paper or you may print from the link here):file:///C:/Users/DSR13624/Downloads/Chemistry%20Matter%20Wks.pdf
THURSDAY – SEPTEMBER 8TH
Elements, Compounds and Mixtures
Review Sheet ( Please remind students
that Checkpoint Three on Pure Substances and Mixtures will be given on the
following Monday
FRIDAY – SEPTEMBER 9TH
a. Guided
Notes on Chemical and Physical Changes (Use textbook pages 48 – 55)
b. Practice
Sheet on Chemical and Physical Changes.
Tuesday – September 6th
Name:_________________________________
Class:___________________________________
Date:_________________________________
Pure Substances and Mixtures
Vocabulary Chart Review and Review Questions (Use pages 90 – 104)
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Word
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Definition/Explanation
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Example and
Illustration
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Element
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Pure substance
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Compound
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Mixture
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Solution
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Solute
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Solvent
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Concentration
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Solubility
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Suspension
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Colloid
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Word
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Definition/Explanation
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Example and
Illustration
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Distillation
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Magnet
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Centrifuge
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Review Questions:
1. Explain
why an element is a pure substance.
2. What
are three physical properties used to identify compounds?
3. Compounds
can be broken down into what types of substances?
4. Why
do substances in a mixture keep their identities?
5. How
does brass differ from zinc?
6. How
does the solubility of gases change with temperature?
7. How
can the particle of a suspension be separated?
Friday – September 9th
Name:_____________________________
Date:____________________________
Chemical and Physical Changes
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Chemical Changes are
Examples include
Composition of matter in chemical changes:
Signs of chemical changes include
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Physical Changes are
Examples include
Composition of matter in physical changes
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Can physical and chemical changes be reversed?
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Summary of what you have learned:
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Name:_________________________
Date:
Chemical and Physical
Changes Practice Sheet:
Label each process as a
physical or chemical change:
a. perfume evaporating on your skin
b. butter melting
c. wood rotting
d. charcoal heating a grill
e. autumn leaves changing color
f. a hot glass cracking when placed in cold water
g. melting copper metal
h. burning sugar
i. mixing sugar in water
j. digesting food
b. butter melting
c. wood rotting
d. charcoal heating a grill
e. autumn leaves changing color
f. a hot glass cracking when placed in cold water
g. melting copper metal
h. burning sugar
i. mixing sugar in water
j. digesting food
2. Which of the
following would NOT be a physical change?
a. freezing water to make ice cubes
b. melting gold to make jewelry
c. burning gasoline in a lawnmower
d. boiling water for soup
e. tearing a piece of aluminum foil
b. melting gold to make jewelry
c. burning gasoline in a lawnmower
d. boiling water for soup
e. tearing a piece of aluminum foil
3. Which of the
following is NOT a physical change?
a. grating cheese
b. melting cheese
c. fermenting of cheese
d. mixing two cheeses in a bowl
b. melting cheese
c. fermenting of cheese
d. mixing two cheeses in a bowl
4. Which are physical
and which are chemical changes?
a. boil
b. burn (combustion)
c. condense
d. corrode
e. crumple
f. ferment
g. melt
h. rust
i. crush
j. freeze
k. oxidize
l. tarnish
m. explode
n. grind
o. rot
p. vaporize
q. photosynthesis
r. sublimation
b. burn (combustion)
c. condense
d. corrode
e. crumple
f. ferment
g. melt
h. rust
i. crush
j. freeze
k. oxidize
l. tarnish
m. explode
n. grind
o. rot
p. vaporize
q. photosynthesis
r. sublimation
5. If a certain mixture
is homogeneous, you would properly conclude that the physical properties and
the composition:
a. are different from one part of the sample to
another
b. vary smoothly from top to bottom of the sample
c. are the same in every small volume element from the sample
d. none of these
b. vary smoothly from top to bottom of the sample
c. are the same in every small volume element from the sample
d. none of these
6. Label each process as
a physical or chemical change:
a. Moth balls gradually vaporize in a
closet
b. hydrofluoric acid attacks glass (used to etch glassware)
c. A chef making a sauce with brandy is able to burn off the alcohol from the brandy, leaving just the brandy flavoring
d. Chlorine gas liquefies at -35 °C under normal pressure
e. hydrogen burns in chlorine gas
b. hydrofluoric acid attacks glass (used to etch glassware)
c. A chef making a sauce with brandy is able to burn off the alcohol from the brandy, leaving just the brandy flavoring
d. Chlorine gas liquefies at -35 °C under normal pressure
e. hydrogen burns in chlorine gas
7. Label each process as
a physical or chemical change:
a. fogging a mirror with your breath
b. breaking a bone
c. mending a broken bone
d. burning paper
e. slicing potatoes for fries
f. mixing sugar with coffee
g. frying chicken
h. a nail rusting
i. paper ripping
j. wood burning
k. mixing water and food coloring
l. food molding (rotting)
m. writing on paper
n. dyeing fabric
b. breaking a bone
c. mending a broken bone
d. burning paper
e. slicing potatoes for fries
f. mixing sugar with coffee
g. frying chicken
h. a nail rusting
i. paper ripping
j. wood burning
k. mixing water and food coloring
l. food molding (rotting)
m. writing on paper
n. dyeing fabric
8. Is concrete a
heterogeneous mixture?
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