CTY Crystals and Polymers (CPOL) Course Syllabus

CTY Crystals and Polymers (CPOL)
Course Syllabus
Day 1
AM
Topic
1.Ice Breakers
2 Rules
3. Honor
Code/Computer use
4. Lab Safety
PM 1
1 Mineral
Identification
PM 2
Birthstone Project
Day 2
AM
Topic
Birthstone Project
Pre- test
Crystals
Mineral Identification
PM 1
1.Mineral
Identification
2. Lab notebooks
3. Slow crystal growth
PM 2
1.Cu Crystal
2. Chemical/physical
prop. and change
3. Rapid Crystal
Growth
Description
Dynamic Duos
I like people who…
Ball toss
Following ball toss, use index card for students to describe
what respect could mean in the classroom. Back in
classroom develop rules from ideas on note cards.
Review, students sign
Lab Safety drama and review rules, students sign
Using sets of 20 students work in pairs (Dyn. Duo) ID 20
minerals in the Flinn sets. Use lab notebooks recording
characteristics.
Computer lab to research Birthstone
Description
Computer Lab: Final time in computer lab for this project.
Report can be typed or written with oral report to class at
later date (8:45- 10:15)
Pre test (10:30 – 11:00)
Chem Matters reading: “Breakfast of Crystals.”
(given as students finished Pre-Test)
Continue Identification from Day 1
Continue from Day 1 (30 min.)
Review requirements for setting up the Projects in the
notebook Title, Purpose, Procedure, Observations/data,
Discussions, Summary/Conclusion
Set up Cu crystals in a test tube. Long term growth of Cu
crystals (slowly developing system). Ref. The Science
Teacher, Dec. 2009
Complete from PM 1
Discussion of these differences
Rapid crystallization (use microscopes to observe) the
beauty and wonder of the crystals under mag. Crystallization
of NaCH3COO.
Day 3
AM
Topic
1. Cu Crystals
2. Periodic Table
3. Solutions
4.Slow crystallization
PM 1
1Review info in Bkfst
of Crystals
2 Atomic structure
and bonding
6. Ionic Bonding
PM 2
Description
Observations of the Cu crystal
Review structure of Periodic table with some history
Review terms/concept of solution ( solute, solvent)
Wet lab: making rock candy. Procedure based on Chem
Matters article.
Note the different substances and properties
Electrons protons neutrons to electron dot (Lewis) dot
structure.
Discuss how to show ionic bonding (sample problems)
You tube: The Elements Song
Day 4
AM
Topic
1.Cu crystal obs.
2 Bonding
3. Rapid Crystal
growth
4. Covalent bonding
Description
Continue observing from previous days
Review ionic bonds and concept of an ion
Wet Lab: Sodium thiosulfate crystals Discuss the type of
bonding and the formation of the bonds
Discuss differences, examples, work sample problems
PM 1
Mineral Identification
Continuation of mineral identification
PM 2
Birthstone and
Periodic table block
project
Introduce the periodic table block project and work on
Birthstone report. Complete writing of the report.
Day 5
AM
Topic
1.observe Cu Crystals
2. Ionic vs. Covalent
properties
Description
Continuation of Cu crystal growth
Wet lab: Solubility. Melting time, conductivity
Discuss results and note the important trends Conductivity
buzzers with post lab
PM 1
PM 2
Day 6
AM
1. Mineral ID quiz
2. Slow crystallization
3. Crystal growth
4. Special solutions
Oral presentations
Topic
1. Element
Characteristics
2. Complete Ionic v.
Covalent
3. Evaluation
10 samples, 1 minute at each sample
Begin growth of large Alum crystal. Discuss how can the
growth rate be changed, relate to the solubility curves
KDP crystal growing video
Ferro fluids video
Rehearsal and presentation of birthstone presentation
Description
1. Computer lab 8:45 – 10:15 Periodic Table Live with set of
questions to guide use of program
Melting time and conductivity results and discussion with
buzzer and door chime.
First week evaluation on index card. Lab Activities, Classroom
learning, Overall
Day 6
PM 1
Topic
1. Solutions/colloids
2. Colloids
3. Saturated solution
PM 2
Description
Winter wonderland lab, sat. K2SO4 with 70 % isopropyl
alcohol.
Making a gel lab, Sat. CaCH3COO and isopropyl alcohol.
Discuss different colloidal systems, identify them at lunch
In groups of 3: Two test tubes, one with water and the other
with sat. K2SO4. Determine which test tube has the water?
Do the test and explain.
See PM 1 activities
Day 7
AM
Topic
1.Review
2. Heat Treating and
metal bonding
Description
Review all results from labs to this point.
Using bobby pins and Bunsen burners to change the temper
of the metal. Discuss heat treating results and relationship to
molecular scale.
PM 1
Metal Crystals
Discuss results from the tempering metal lab
Memory metal activities and discussion.
Read Chem Matters,”Memory Metal”
PM 2
1. Crystal growth
Observe CuSO4, NaCl, and Alum crystals under magnification.
Start large Alum Crystal
2. Periodic Table
3. Unit Cells
Work on Crystal growth, Periodic table block, and
constructing unit cells from “Crystals”
(mathforum.org/alejandre/workshops/toc.crystal.html)
Topic
1.Crystal systems
2.Polymers
3. Cross linking
Description
Review paper crystal models and CuSO4, NaCl, Alum
Sodium polyacrylate demo (shifting cups)
Discussion/people demos of monomers bonding to form
polymers Homopolymers, Block polymers, random cross
linking
The special nature of carbon (Polyethylene Bonding)
Elmer’s Glue and Borax Investigation (“Polymers – It’s Not
Just Polyester,” DuPont Honors Teachers)
Day 8
AM
4. Polymer Properties
PM 1
PM 2
Poly properties
Elements
1. Polymer properties
2. Bonding in
polymers
Discuss results from the AM lab
Continue work on element block
Plastic grocery bag testing: what properties would make a
good grocery bag? Test the bags
Discuss role of plastics in the world, preview to rdg.
Chem Matters rdg. : “Polymers”
Day 9
AM
Topic
1.Science/
Technology/ Society
Description
Paper vs. Plastic? What is the correct answer when
considered globally and sustainably? Small group discussions
formulation of a recommendation and debate the
possibilities Identify Pros and Cons
2.Super absorbers
Sodium polyacrylate, “Modifying a Superabsorber”
(“Polymers – It’s Not Just Polyester.” Dupont Honors
Teachers)
PM 1
1.Super absorber
2. Microscale
polymers
Discuss results from AM exp.
3 ply carbonless paper forms inquiry. How to make them
work and how do they work? Inquiry investigation
PM 2
3. Modifying
properties of
polymers
Latex eraser challenge, using CaCO3, talcum powder, NaCl,
NaHCO3…Which combination and in what proportion will
make the best eraser? Ref: “Chemistry for Kids”, John Idhe
For eraser challenge assign groups different amounts to use
such as .5g, 1.0 g, 2.0 g, 3.0 g, 4.0 g, 5.0 g. Save erasers
when complete and let dry for at least two days.
Day 10
Topic
Description
AM
PM 1
1.Plastics identification
ROBOT Competition
Polymer properties
PM 2
1.Cross linking in
polymers
Identification of plastics 1-6 wet lab
IROB 1 vs. IROB 2
Shrinky dinks/polystyrene..PETE.
Rubber Bands Heating/Cooling boiling water in a PETE
container
Wet lab on different cations effect on cross link strength in
hydrogels. Sodium alginate lab, The Science Teacher,
summer, 2011 “Hydrogel Beads: The New Slime Lab,”
Day 11
AM
Topic
1.Crystal Growth
2. Polymer properties
Description
Observation of the copper crystals in the test tube.
Finish Plastics identification exp. And discuss results.
Read Chem Matters, “PET Recycling” report conclusion must
contain the list of plastics and the most indicative test for that
plastic’s identification. Check off while others are completing
the lab.
Perform eraser tests, compile, and discuss results
Set up for nylon fiber in lab notebooks
PM 1
Cross linking
PM 2
Polymer fibers
Review hydrogel lab results and discussion
Complete Periodic Table blocks
Nylon Rope trick/experiment .
Day 12
AM
Topic
Soap making/testing
PM 1
1. Large molecules
2. Starch testing
PM 2
Day 13
AM
Fats in foods
Description
Wet lab making soap and test in hard water, ability to emulsify
oil, comparison to liquid soap
Discuss results of lab
Discuss the formation of the sodium stearate molecule and the
water/oil connection. (Power point)
Testing substances for presence of starch
Discuss structure of starch and carbohydrates
Wet Lab: testing the percentage of fats in potato chips, French
fries, corn chips (David Katz Exp.)
Topic
1. Crystals
Description
Remove copper crystals form the test tubes and dry.
Microscopes to observe crystal forms.
Review results from the Fats in potato chips, French Fries, and
2. Fats in Foods
other chips
Discuss the natural polymers/biomolecules, define and clarify
3. Fats and Oils
the terms. The structure of saccharides and disaccharides
4. Fat and Oil molecular Chem Matters: “the Solid Facts About Trans Fats”
Read and answer questions
structure
PM 1
Crystal matching
Computer lab to match copper crystals with the crystal forms
PM 2
1. Natural Polymers Biomolecules
2. Structure of
carbohydrates
3. Proteins and Amino
Acids
Introduction to possible natural polymers. What are the
characteristics of polymers? Power Point
Saltines, Saliva and Starch Reaction (Karen Kalumuck ,
Exploratorium Teacher Institute)
Protein Denaturing (John Idhe, “Chemistry For Kids”)
Day 14
AM
Topic
1. Bonding in Fats
2. Polysaccharides
3. Denaturing Proteins
Description
Chem Matters: The Solid Facts About Trans Fats
Discuss the bonding differences in fats and oils, hydrogenation,
cis- and trans- differences
Review Power Point, Review Starch in Foods Results, Review
Saltines, Saliva and Starch Reaction
Read Chem Matters, “Polysaccharides”
Denaturing egg white exp. (ref. Polymer Chemistry: Introduction
to an Indispensable Science, NSTA Press, David Teegarden)
PM 1
DNA
Intro to DNA
Videos of RNA, DNA, Protein synthesis in cells
PM 2
SPE
Sugar Structure
Student program evaluations
Read Chem Matters, “Artificial Sweeteners” and cut out glucose
molecule model and search for the triangle of sweetness.
Day 15
AM
Topic
Post test
Elements
Description
Periodic Table in cookies
Gee, So, Ha
Room Clean up and organization of materials