Brain Teaser
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Read the short article on Blood
Answer the following:
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What are the advantages and disadvantages of
artificial blood being made?
Is research going to be a factor in your life for the
future?
What’s the Matter with
Matter?
Thinking about Matter
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Sort the following into two
categories, matter and not matter.
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Peanut butter, water, fish, garbage,
time, motion, the human brain, carbon
dioxide gas, yourself, an idea, tree,
energy.
How did you distinguish between the
categories?
What is Matter?
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Matter is anything that has mass and volume
What forms does matter come
in?
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Solid
Liquid
Gas
Plasma
States of Matter
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Solid
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has definite shape and definite volume.
Solid animation - Ice
States of Matter
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Liquid
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has undefined shape but defined volume
Liquid Animation - Water
States of Matter
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Gas
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has undefined shape and undefined volume.
Gas Animation - Steam
States Of Matter
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Plasma
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very hot gasses
undefined shape and volume
only exist at high temperatures (i.e. the sun)
Physical Properties
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Characteristics of a substance that can be
observed without altering the identity of the
substance.
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State, density, color, odor, melting point, boiling
point, luster, conductivity, brittleness,
malleability.
Chemical Properties
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Characteristics of a substance that cannot be
observed without altering the identity of the
substance.
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Reactivity, flammability, reaction types
Closure
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Draw pictures that represents a solid, a liquid,
and a gas.
Explain each drawing.
Physical and Chemical
Changes
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Physical Changes
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Do not alter the identity of a substance
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Crushing, tearing, changes of state (solid to liquid to
gas)
Chemical Changes
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Alter the identity or chemistry of a substance
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Burning, cooking, rusting
Physical and Chemical
Properties

Consider a copper coin. Make a list of its chemical
and physical properties. Consider these photos for
clues.
Practice
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Physical vs. Chemical
Brain Teaser
List the properties that identify whether a
matter goes through physical or chemical
change.
 Observe the Demo:
What is happening? Is this a chemical or
physical change? Why?
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Physical and Chemical
Changes
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Is this a
physical or a
chemical
change?
Explain your
reasoning.
Lab- Physical vs. Chemical
Change
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Station Rotation
How do you know a chemical change has
occurred?
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What are the indicators?
Classification of Matter
Laboratory
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Station Rotation
Write down the Chemical Formula
Name of substance
Describe the appearance of the substance.
Be very specific!!
Classification of Matter
Laboratory
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Developing the classification scheme
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Look for patterns
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In formulas, names, appearance
Be able to use your classification scheme to
describe all of the substances you looked at.
Remember to start broad and get more
specific as you go through the chart.
Classification of Matter
Matter
Pure Substance
Element
Compound
Mixture
Heterogeneous
Homogeneous
Classification of Matter
Pure Substance Elements
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Matter that can not be broken down into simpler
substances under normal lab conditions
Contains only one kind of atom
Atom
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Molecule
Elements (symbols) Na, Au, C
Where can you find a list of all the elements?
Pure Substance Compounds
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Can be separated into elements
+
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Composed of two or more elements that combine in a
chemical reaction
+
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Combine in a fixed proportion
Examples – NaCl, H2O, Fe(NO3)3
Which are elements and which
are compounds?
Mixtures
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A blend of two or more pure substances
Not chemically combined
Granite
Mixtures
Heterogeneous
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Mixture with visibly different parts.
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Sand + water
Salt + Pepper
M & M’s
Mixtures
Homogeneous
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Mixture with no visibly different parts.
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Sea water H2O + NaCl
Air N2 + O2 + CO2
Practice Classifying Matter
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Make a list of 3 things (and their parts) found
in the classroom. Classify these as
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solid, liquid, or gas
pure substances and mixtures
homogeneous or heterogeneous
elements or compounds
Be prepared to share your classifications?
Classify
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mixtures
pure substances
elements
compounds
Draw a picture that represents a pure compound.
Classify
Classify each of the following as, a homogenous or
heterogeneous mixture, pure substance,
element or compound, atom or molecule.
1.
CH4
2.
KMnO4
3.
Co
4.
Al + H2O
Draw atomic level pictures of each substance.
Classification of Matter Lab
Quiz
Closure

Draw an atomic level picture of a mixture of
compounds.
Agenda August 10th, 2005
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Warm-up
Review Homework- Grade Quiz
Chemistry Lab Book Format
Lab - “Reaction of Solutions”
Post Lab discussion
Lab write-up
Intro to atomic representations
Homework: Atoms, Molecules, etc…
WARM-UP

1)
2)
3)
4)
5)
Briefly describe each of the following
separation techniques. Identify the only
techniques that can separate a compound
into its elements.
Filtration
Crystallization (evaporation)
Chromatography
Electrolysis
Distillation
Grade
MATTER POST LAB QUIZ
Introduction to “Reaction of
Ions in Solutions” Lab
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PURPOSE
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Why am I doing this lab?
Must connect to the title
“The purpose of this lab is to …”
Introduction to “Reaction of
Ions in Solutions” Lab
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BACKGROUND INFORMATION
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The “stuff” you need to know before
conducting the lab.
Terms, Cautions, Chemicals, Concepts,
ect.
Paragraph form
Introduction to “Reaction of
Ions in Solutions” Lab
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BACKGROUND INFORMATION
D.W. Distilled Water
Ions – Charged particles
Precipitate- solid forms
Pb(NO3)2 – Lead Nitrate
KI – Potassium Iodide
NaCl – Sodium Chloride
Na2SO4 – Sodium Sulfate
Introduction to “Reaction of
Ions in Solutions” Lab

MATERIALS AND APPARATUS
List all the materials and equipment to be used
and draw the apparatus set up.
Petri Dish
Flask with D.W.
Pipettes
Pb(NO3) 2
KI
NaCl
Na2SO4
Introduction to “Reaction of
Ions in Solutions” Lab
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Procedure
Add enough distilled water to cover the
bottom of the petri dish
Add 20 drops of each solution
Make observations
Introduction to “Reaction of
Ions in Solutions” Lab
DATA
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All qualitative and quantitative data
collected.
Reaction of Ions in Solution
Pb(NO3)2
Pb(NO3)
2
KI
NaCl
Na2SO4
KI
Result
NaCl
Na2SO4
Result
Result
Result
Result
Result
Post Lab Discussion:
“Reaction of Ions in Solutions”
Lab
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DATA ANALYSIS OR RESULTS
Paragraph form
Explain the data collected
Analyze your results
Lead Nitrate is mixed with potassium Iodide and
a yellow precipitate forms.
Final sentences discuss why you learned about
the reactivity of certain substances
Post Lab Discussion:
“Reaction of Ions in Solutions”
Lab
CHEMICAL EQUATIONS
 Pb(NO3)2
+ KI  PbI2 (s) + K + NO3
 Pb(NO3)2
+ Na2SO4  PbSO4 (s) + Na
+NO3
 Pb(NO3)2
+ NaCl  PbCl
2 (s)
+ Na + NO3
Post Lab Discussion:
“Reaction of Ions in Solutions”
Lab
CONCLUSION
What does it all mean?!
Overall Summary of the Lab
 WHY DID YOU GET THESE
RESULTS?
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NEW TERMS
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Ion
Petri Dish
Medicine dropper/Pipette
Beaker
Flask (Erlemnmeyer)
Diffusion
Precipitate (ppt)
Distilled Water
Soluble
Insoluble
CLOSURE
Match the following:
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NO3
SO4
Pb(NO3)2
KI
PbI2
NaCl
Na2SO4
PbSO4
PbCl2
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Potassium Iodide
Lead Sulfate
Sulfate
Sodium Sulfate
Lead Chloride
Nitrate
Lead Nitrate
Sodium Chloride
Lead Iodide
Warm-Up

Determine: # of atoms, # of molecules,
Compound, elements, if it is a mixture or a pure
compound and the formula for the following:
=A
=B
=C

Draw the atomic structure for three molecules of
one element.
Lab Quiz
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When Finished Pick up
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Atoms, Molecules, Elements, compounds
Rally Table
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You and ONE (1) partner
Alternate problems
Use different color ink
Work Time
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Finish Conclusion
Work on 2-5 Review and Reinforcement
Work on Study Guide
Atomic level Quiz
Design your own!
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You must make a key for the symbols
You must make some pure substances and
mixtures
You must describe your drawing!
Warm-up
1.
2.
3.
4.
Draw an atomic level example of a chemical
change.
Draw an atomic level example of a physical
change.
Classify the following drawing.
Draw 8 particles consisting of 2 elements and
1 compound.
Honors Chemistry
Agenda-August 17th 2005
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Warm-up
Review Study Guide
Test – Matter
After Test
 Turn in H.W. Packet
 Read Book pg. 58-63
 Complete W.S.
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Measurements in Chemistry
Significant Figures
Homework
 Complete W.S.
 Safety Poster Due 8/22