Chemistry Sem1

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Chemistry
Semester 1
2012-2013
Welcome Back!
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Introduction and seating chart
Your summer – truths and lies
4 corners
Room Tour
My Expectations
FISH!
My Summer – Truth? Lie?
• We added 5 pets to our family.
• I moved this summer.
• On your entry task paper, write your truth and
lie under TUESDAY. Don’t tell yet!
• Share and see who gets the right answer!
• Most outrageous truths
• Most convincing lies
4 Corners
• Corner A, B, C, D
• Walk to show your answer
• Before we start, silently pick someone you
think you have little in common with. You
may be surprised
• Sit back down and discuss.
9/5/12 Wednesday
• Entry Task:
• Write down one thing you’re looking forward to
about this school year.
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Per 1 and 2 room tour
Per 2 and 3 – tour for building expectations
Finish FISH!
Per 5 – Handbook review
9/6/12 Thursday
• Entry Task:
• What do you think is the most important
behavior of successful students?
• Per 2 and 3 Syllabus and MI survey
Introduction to Class
• MI Survey – graph as homework! Due Friday
• Cards
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FIRST and LAST NAME
Your strongest intelligence
Your goal for a grade
Hopes for the class
Concerns for the class
What is Chemistry? P. 41
Syllabus – units we will cover, grading, materials
PARENT CONTACT AND SIGNATURE DUE MONDAY!
Your learning goals – choose a topic from syllabus to
write on leaf…
Learning Commitments – help shape
them…
• GOAL: create a list of commitments to be
successful learners.
• Each team will brainstorm THREE successful
student behaviors we can commit to. Try to
keep them short and sweet, yet cover all the
key points.
• Share and find common themes.
• Each class will have a poster of their learner
commitments.
9/7/12
• Entry Task:
• SAY SOMETHING NICE! – watch video, write our
own, share
• Table leaders – gather papers, paper clip and turn
in
• Reminder – syllabi due MONDAY
• MI Survey due TODAY
Week of 9/10-9/14
9/10/12 Monday
• Entry Task:
• What do you recall to be the most important
aspects of lab safety?
• How will you demonstrate safety in the lab?
• PLEASE TURN IN YOUR SYLLABUS!!!!!
• Find old or nametag new bins…
SAFETY
• Complete chemistry safety assignment and quiz –
turn in.
• Has everyone turned in a safety contract?
• Cut them, hand me bottom portion.
• Glue top portion to page 1 of notebooks.
• Glue “Designing an Investigation” to pages 2 and
3.
• This document will guide your experimental
design.
9/11/12 Tuesday
• Entry Task
• Listen to a “story” about Calcium.
• Write down 2 interesting things you heard.
• Glue lab sheet to page 4.
• Tomorrow we will consider the rubric…this will be
attached to your team poster…
Begin thinking experimentally…
• GOAL: conduct a lab and make a poster of
your investigative QUESTION, HYPOTHESIS,
DATA and CONCLUSION.
• To start: Get in teams of 3-4.
• Read through lab paper and rubric.
• Follow the steps listed on the bottom.
• ROUGH DRAFT – begin your poster in
pencil…complete in color.
Continue…
• Working on your posters.
• Remember to consult your scientific method
guide when necessary:
• Step 1 – Question (includes variables)
• Step 2 – Hypothesis
• Step 4 – Materials and Procedure – given to you!
• Step 5 – Data Table – design one and collect the
data.
• Step 6 - Conclusion
9/11/12 Tuesday
• Entry Task
• Listen to a “story” about Calcium.
• Write down 2 interesting things you heard.
• Glue lab sheet to page 4.
• Tomorrow we will consider the rubric…this will be
attached to your team poster…
Begin thinking experimentally…
• GOAL: conduct a lab and make a poster of
your investigative QUESTION, HYPOTHESIS,
DATA and CONCLUSION.
• To start: Get in teams of 3-4.
• Read through lab paper and rubric.
• Follow the steps listed on the bottom using
your scientific method guide on page 2 or your
notebook.
• ROUGH DRAFT – begin your poster in
pencil…complete in color.
9/12/12 Wednesday
• Entry Task
• Listen to a “story” about Chlorine.
• Write down 2 interesting things you heard.
• But remember, when calcium and chlorine form a
COMPOUND their characteristics can be totally
different: CaCl2
SAFETY in the lab
• Put all papers and books under table EXCEPT your
poster – you’ll need to record data!
• Goggles at all times.
• ONE STUDENT per group should wear gloves and do
the measuring and stirring of CaCl2.
• You may TARE and measure the CaCl2 into the paper
cups.
• CAREFUL with glass thermometers!
• The lab will take approximately 20-35 minutes. PLEASE
STAY ON TASK!!!
• I will call for CLEAN UP at 5 minutes to the bell. You
must return all materials exactly as you found them.
Continue…
• Working on your posters.
• Remember to consult your scientific method
guide when necessary:
• Step 1 – Question (includes variables)
• Step 2 – Hypothesis
• Step 4 – Materials and Procedure – given to you!
• Step 5 – Data Table – design one and collect the
data.
• Step 6 - Conclusion
Chemical Reactions
• All chemical reactions release or absorb
energy. Chemical reactions that release energy
in the form of heat are called exothermic
reactions. Some chemical reactions absorb
energy and are called endothermic reactions.
• CaCl2 (s) water
Ca2+ (aq) + 2 Cl-(aq)
• Reactants:calcium chloride + water
• Products: ions of calcium and chlorine
(charged particles)
9/13/12 Thursday
• Entry task
• What makes a good poster?
• Choose a poster in the room. Make a list of what
makes it a good poster.
• Clear desks. Retrieve posters from back table.
• REMINDER: only ONE student from each team to
wear gloves. GLOVES ARE TO BE REUSED until lab
is complete. Store in science bin.
Writing Conclusions…
• Consider the data table…discuss HIGHS and
LOWS.
• What can you conclude?
• Was your hypothesis supported with data?
• Write your conclusion using RADDS
• R is for restating the investigative question.
• A is for answering the question.
• D1 is about the HIGH data point. D2 is about the
LOW data point.
• S can be your scientific explanation.
Endothermic or Exothermic
• All chemical reactions release or absorb energy.
Chemical reactions that release energy in the
form of heat are called exothermic reactions.
Some chemical reactions absorb energy and are
called endothermic reactions.
water
• CaCl2 (s)
Ca2+ (aq) + 2 Cl-(aq)
• Reactants:calcium chloride + water
• Products: ions of calcium and chlorine (charged
particles)
• Please also research the energy changes of
dissolution of salts in water
9/14/12
• Entry Task:
• SAY SOMETHING NICE!
• Table leaders – gather papers, paper clip and
turn in
Completing our posters…
• DISCUSS THE RUBRIC – this shows how you
will be graded!
• All team members names on the back.
• Add color – bold headings/titles
• Additional: images of science equipment,
graph of data, materials and procedure
• POSTERS DUE BY END OF CLASS!!!!!!!
9/17/12 Monday
• Entry Task
• Why is it more important to use the average INCREASE
in temperature rather than the average ending
temperature?
• Will you emphasize this data on your poster?
• TUESDAY AND WEDNESDAY: Science Benchmark Testing
– testing environment, Fall assessment for inquiry skills
Completing our posters…
• DISCUSS THE RUBRIC – this shows how you
will be graded!
• All team members names on the back.
• Add color – bold headings/titles
• Additional: images of science equipment,
graph of data, materials and procedure
• POSTERS DUE BY END OF CLASS!!!!!!!
9/18/12 Tuesday
• NO entry task
• Benchmark Testing for Inquiry Skills
• Please place all belongings under your tables.
• Keep your eyes on your own papers.
9/19/12 Wednesday
• NO entry task
• Benchmark Testing for Inquiry Skills
• Please place all belongings under your tables.
• Keep your eyes on your own papers.
9/20/12 Thursday
• NO entry task
• Benchmark Testing for Inquiry Skills
• Please place all belongings under your tables.
• Keep your eyes on your own papers.
9/20/12 Thursday
• Entry Task
• What is SI? (Hint: we often call it “metric”)
• Finish testing…
• If finished, begin metric measuring assignments
9/21/12 Friday
• Entry Task:
• SAY SOMETHING NICE!
• Table leaders – gather papers, paper clip and
turn in
9/24/12 Monday
Week of 9/24-9/28
• Entry Task:
• SAY SOMETHING NICE!
• Table leaders – gather LAST WEEK’S papers,
paper clip and turn in
• Please take out your 2 puzzles from Friday.
• Do you have questions?
• Trade and Grade! Graders – sign your name next
to the score.
9/25/12 Tuesday
• Entry Task
• Is there a mathematical way to convert 250
mg to grams?
Today’s work…
• Glue “Metric Mania Conversion Practice” to page
7 of your notebook.
• Fill in the squares at the top.
• Practice together.
• Glue “Metric Mania Conversion CHALLENGE” to
page 8. Finish this.
• I will grade as you work Notebook check…
• New idea: dimensional analysis!
• Glue “Dimensional Analysis” to pages 9 and 10.
Dimensional Analysis
• Dimensional analysis is a mathematical system using
conversion factors to move from one unit of
measurement to a different unit of measurement. For
example, if you need to calculate how many seconds
are in a day, you can use dimensional analysis to set all
of your needed conversions into one problem.
• 1 day = ? seconds
• 1 day x 24 hours x 60 minutes x 60 seconds =
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1 day
1 hour
1 minute
• Cross out all labels that cancel and do the math.
• 86,400 seconds
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1 day = 86,400 seconds
9/26/12 Wednesday
• Entry Task
• Question 1: Convert 50 mL to liters using dimensional
analysis.
• Question 2: What is density?
• Understanding triple beam balances.
• Interactive tutorial 1: reading triple beam balances.
• Interactive tutorial 2: how to use a triple beam
balance.
9/27/12 Thursday
• Entry Task:
• What tool would you use to measure mass?
• What units will your measurements be labeled
with?
Density = mass/volume
• Glue “Density” to page 12.
• Glue “Measuring Mass, Volume and Density”
to page 13.
• Your team will need a tote with materials.
• Please carefully use the triple beam balance to
complete the lab.
• Replace all materials in the tote.
• Place tote and balance on back table.
Density Lab with Triple Beam Balances
9/28/12 Friday
Week of 9/24 to 9/28
• Entry Task
• SAY SOMETHING NICE!
• Table leaders – gather papers, paper clip and
turn in
10/1/12 Monday
Week of 10/1 to 10/4
• Entry Task
• Sulfur has a density of 5.4 g/cm3. Will it sink or float in
water?
• Listen to a “story” about sulfur and write down 2
interesting things.
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VOTE ON RECYCLING POSTERS
Discuss answers to pages 7-10 in Notebooks.
Heads UP! Quiz on Wednesday…
WATER QUALITY TESTING – chaperones and testing
technicians…could you all miss one 6th and 7th period
sometime next week or week after?
JEOPARDY
• This is an ASSIGNMENT This is a way to
study for the upcoming quiz.
• Each person will design questions and
answers.
• TOPICS: metric system, metric conversions by
moving the decimal, metric conversions using
dimensional analysis, using triple beam
balances, density.
• USE pages 6-12 in your notebook
• Plus puzzles, metric worksheets, triple beam
balance notes
10/2/12 Tuesday
• Entry Task
• The density of ice is 0.9167 g/cm³ ... Explain
why it floats in liquid water.
• Design Jeopardy Questions/Answers.
• Play Jeopardy!
• Quiz tomorrow!!
10/3/12 Wednesday
• Entry Task
• Check your missing work slips.
• Write down what you are missing here.
• If you have missing work, you will be quietly
working on that after the quiz.
10/4/12 Thursday
• Entry Task
• What is an atom?
• Is it bigger or smaller than a cell?
• What is it made up of?
What do you think?
• How many atoms are in one
grain of sand?
• One drop of water?
How small are atoms?
• “One grain of sand on a typical
beach contains more atoms
than there are grains of sand on
the beach.”
• “There are
2,000,000,000,000,000,000,000
atoms of oxygen in one drop of
water.”
Inside an Atom
• 3 kinds of particles –
• electrons, neutrons and protons
• Nucleus consists of neutrons
(no charge) and protons
(positive charge)
• Electrons (negative charge)
whiz around in a “cloud”
Can you predict?
• Let’s imagine the nucleus was
as big as the tip of a pen.
• (about 2 mm).
• How far away would the
electrons be?
• The edge of your paper?
Further?
Atom Walk
• Pace off the size of the electron
cloud if nucleus 2 mm.
• Read pages 380-383 in Story of
Science.
10/5/12 Friday
Week of 10/1 to 10/5
• Entry Task
• SAY SOMETHING NICE!
• Table leaders – gather papers, paper clip and
turn in
10/8/12 Monday
Week of 10/8 to 10/12
• Entry Task
• If atoms are mostly empty space, why can’t we
move our hand right through?
• Ask a Scientist!
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Review quiz answers and reflections process.
Finish notes – four slides, page 14
Graph our Fall Science Benchmark Scores.
Glue graph to page 15.
10/9/12 Tuesday
• Entry Task
• If you were to build a model of an atom, what
materials would you use?
• Ideally, would it be in motion or stationary?
• What about scale or size?
• VERY IMPORTANT: PERMISSION SLIPS FOR
FIELD TRIP.
• DUE THIS THURSDAY, OCTOBER 11th!!
Paper Models of Atoms
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Glue project instructions to page 16.
Glue YOUR VERY OWN periodic table to page 17.
Choose TWO elements.
Find them on the periodic table
Write down the atomic number = the number or
protons = the number of electrons.
Where will the protons go inside the atom?
And the electrons?
And the neutrons?
Construct paper models of both following the
instructions.
10/10/12 Wednesday
• Entry Task
• Look up the atomic radius of your element on
webelements atomic radii “ball chart”
• http://www.webelements.com/periodicity/ato
mic_radius_empirical/
• How does its radius compare to other atoms?
• Watch video of periodic table trends…
Periodic Table Trends
• Watch video
• Mark periodic table with ARROWS to
represent trends.
• Complete worksheets.
10/11/12 Thursday
• Entry Task
• Watch video on periodic table trends. Write
down new vocabulary for your entry task.
• Please turn in your entry task papers
• Complete models and turn in today!
10/15/12 Monday
• Entry Task
• Which particles belong in the nucleus? What
are their charges?
• Which particles orbit the nucleus in shells?
What are their charges?
• Which element has 92 protons? 8 protons?
Periodic Table Trends
• Complete the packet on Periodic Table Trends.
• Discuss answers and reasoning.
• Color Periodic Table
• Review Agenda for Water Quality Monitoring.
10/16/12 Tuesday
• Entry Task
• Explain how you know how many valence electrons
atoms have in a given column of the periodic table.
• RIGHT AFTER LUNCH TOMORROW: come to my
room!!! Wear layers, coats, good shoes (no flip flops),
hats or umbrellas or hoods.
• Discuss AGENDA and LEADERSHIP roles
• Color Periodic Table.
• Label it with trends.
10/18/12 Thursday
• Entry Task
• What was your favorite part of water
monitoring day?
• Least favorite?
• Finish Data Sheets and processes.
• Finish Periodic Table Trends answers.
• Color Periodic Table.
10/19/12 Friday
• Entry Task
• Say Something Nice
• Table Leaders please gather the papers,
paperclip, and turn them in.
10/22/12 Monday
• Entry Task
• Would you expect a row 2 halogen (with 7
valence electrons) to be larger or smaller than
a row 2 alkaline earth metal?
• Please explain in terms of atomic radius and
electronegativity.
• TODAY: complete a DISSOLVED OXYGEN test
for the bacterial oxygen demand – water
sample sitting in dark for several days…
Today’s Work
• Read through and work on Color Coding the
periodic table. Answer all questions.
• Extra time? Read about Mendeleev’s process in
organizing the periodic table on pages 298 – 308
in Story of Science: Newton at the Center.
• Consider the quote by P.W. Atkins on page 298.
Support his statement that “the chemical
elements are not a random clutter” by explaining
some of the trends and patterns of the periodic
table we have been discussing in class.
10/23/12 Tuesday
• Entry Task
• Research the octet rule in your Chemistry
textbook.
• Explain it here.
• What is a Lewis Dot Diagram? Give an
example of a Lewis Dot Diagram for Oxygen.
10/24/12 Wednesday
• No Entry Task – substitute
• FINISH your color code the periodic table assignment.
• Read about Mendeleev’s process in organizing the
periodic table on pages 298 – 311 in Story of Science:
Newton at the Center.
• Consider the quote by P.W. Atkins on page 298.
Support his statement that “the chemical elements are
not a random clutter” by explaining some of the trends
and patterns of the periodic table we have been
discussing in class.
• Extra Time? Read about Chemical Bondage on pages
294 to 297. Why are metals likely to bond with
nonmetals? What do you think electronegativity has to
do with it?
10/25/12 Thursday
• Entry Task
• Read about Chemical Bondage on pages 294 to
297. Why are metals likely to bond with
nonmetals? What do you think electronegativity
has to do with it?
• Discuss answers for coloring the periodic table.
• Turn in assignments.
• Read and begin paperwork for corrosion lab.
10/26/12 Friday
• Entry Task
• Say Something Nice
• Table Leaders please gather the papers,
paperclip, and turn them in.
MISSING WORK or REFLECTIONS
• If you have missing work, please complete and
turn in today.
• If you would like to increase your score on a
quiz, please do a reflection.
• EXTRA CREDIT – article summaries or
“harvest” an acorn.
• LAST DAY TO TURN IN MISSING WORK:
Tuesday, October 30th.
• LAST DAY OF QTR NOV 6th
10/29/12 Monday
• Entry Task
• Corrosion or rust is the result of a frequently
occurring reaction called oxidation. When
exposed to oxygen, metals will rust, or oxidize.
• This is a chemical reaction.
• Describe several examples of rust including
color changes or texture changes.
Today’s Work
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Glue lab to pages 20, 21, 22, 23
Read lab to begin.
Identify variables and write the question, hypothesis
Review and agree on materials list.
Highlight controlled variables.
Complete the data table.
Gather materials for your team in a bin.
Cut your steel wool.
Have everything ready for tomorrow.
10/30/12 Tuesday
• Entry Task
• What do you imagine this chemical equation
is describing?
2Fe + O2 ----› 2FeO
• Which are elements and which are
compounds?
• Review paperwork from yesterday:
variables, question, hypothesis, materials
list, highlight controlled variables...
CORROSION LAB
• Safety Goggles for ALL!
• Gloves for ONE person on team. They will mix
the solutions.
• People without gloves can measure the
hydrogen peroxide, salt and water.
• FOLLOW THE PROCEDURE CAREFULLY.
10/31/12 Wednesday
• Entry Task
• What are 3 words which all mean “rust”?
• Complete the paperwork including the data table.
Get Ms. Maring’s approval to begin the lab.
CORROSION LAB
• Safety Goggles for ALL!
• Gloves for ONE person on team. They will mix
the solutions.
• People without gloves can measure the
hydrogen peroxide, salt and water.
• FOLLOW THE PROCEDURE CAREFULLY.
Writing Conclusions…
• Consider the data table…discuss HIGHS and
LOWS.
• What can you conclude?
• Was your hypothesis supported with data?
• Write your conclusion using RADDS
• R is for restating the investigative question.
• A is for answering the question.
• D1 is about the HIGH data condition.
• D2 is about the LOW data condition.
• S can be your scientific reasoning with
comparative language.
11/1/12 Thursday
• Entry Task –
• Can you think of any ways to protect metal
from rust?
11/1/12 Thursday
• Entry Task – ANSWERS
• Can you think of any ways to protect metal
from rust?
– Paint or other coating such as ZINC, or grease
– many mixtures of metals, called alloys, will not
rust
– Keep the metal away from oxygen and water
Today’s Work
• Share and record “Initial Observations”
• Students with complete data tables may be asked to
share theirs at the document camera.
• Fill in any blanks you have in “Initial Observations”
• Form a line with your notebooks.
• Record your 24 hour Observations of the same teams’
beakers you observed yesterday.
• Sit down and rank the beakers from fastest/most to
slowest/least.
• WRITE YOUR CONCLUSIONS using RADDS.
11/2/12 Friday
• No entry task.
• Table Leaders please gather the papers, paperclip,
and turn them in.
• Complete the “Identifying Variables” Worksheet.
• Finished early?
– Read pages 267-272.
– Answer questions #1-4 on page 272.
– Turn in your assignment.
11/5/12 Monday
• Entry Task
• What would you like to investigate next
regarding oxidation of metals?
• Write a further investigative question:
• How does _____________________ affect
• _______________________?
Today’s Work
• Trade and Grade your lab using the “Grading”
guide.
• Read about Mendeleev’s process in organizing
the periodic table on pages 298 – 311 in Story of
Science: Newton at the Center.
• Consider the quote by P.W. Atkins on page 298.
Support his statement that “the chemical
elements are not a random clutter” by explaining
some of the trends and patterns of the periodic
table we have been discussing in class.
11/6/12 Tuesday
• Entry Task
• Out of seven points, what score would give you a passing
percentage of 60% or higher?
• Please trade your lab with a person at your table.
• For grading, place “1 pt” in the margin and check each item
when you find it.
• Watch my example…
• You only need to complete the last question on the back.
• Turn your sheet in with your name AND name of grader.
• Extra time? Read pages 298-311 in Story of Science.
11/7/12 Wednesday
• Entry Task
• 2 free points if your CONCLUSION is complete –
please get your labs out to verify
• Please trade your lab with a person at your table.
• For grading, place “1 pt” in the margin and check
each item when you find it.
• Watch my example…
• Turn your sheet in with your name AND name of
grader.
11/8/12 Thursday
• Entry Task
• No E.T.…Veteran’s Day Assembly
• Extra Credit to person with the most!!
• QUIZ ON TUESDAY: study all the above
categories…
• JEOPARDY THURSDAY AND FRIDAY
11/9/12 Friday
• Entry Task
• Say Something Nice
• Table Leaders please gather the papers,
paperclip, and turn them in.
11/13/12 Tuesday
• Entry Task
• What does “phase” mean?
• What phase are most of the metals in at room
temperature?
• What phase are most of the nonmetals in at
room temperature?
11/14/12 Wednesday
• Entry Task
• Prepare for quiz – you may use your notebook
or worksheets for this class. All other
materials in backpack under desk.
• When finished, please read or do other
homework QUIETLY!
11/15/12 Thursday
• Entry Task
• Listen to a story about a nonmetal – Flourine.
Write down 2 interesting things.
• You may also read about it at:
http://www.webelements.com/fluorine/
Today’s Work
• Using pages 310-314 in the Physical Science
textbook, complete the “What are
nonmetals?” worksheet.
• Also, compare metals and nonmetals using
the Venn diagram at the back. There is a good
discussion in the Chemistry textbook pages
381-382.
• You can read about metals on pages 300-307
in the Physical Science textbook.
11/16/12 Friday
• Entry Task
• Say Something Nice
• Table Leaders please gather the papers,
paperclip, and turn them in.
Today’s Work
• Read the front and back pages about Chemical
Reactions.
• Circle KEYWORDS and underline MEANINGS.
• At the bottom of the “Observing Chemical
Reactions” page, answer the three “Guide for
Reading” questions.
• Finished early? Read pages 246-249 in The
Story of Science. Write a 2 paragraph
summary.
11/19/12 Monday
• Entry Task
• What is kinetic energy?
• What has more kinetic energy – solid, liquid,
or gas?
• http://library.thinkquest.org/C0110228/molec
ules/kinetic.htm
Today’s Work
• Review Quiz answers.
• Complete and review answers on nonmetal
worksheet
• When finished…design a crossword with all
the new vocabulary.
• Go to
http://puzzlemaker.discoveryeducation.com/C
rissCrossSetupForm.asp
• Suggested words on next slide…
Crossword ANSWERS: Atoms and
Periodic Table
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Nucleus center of every atom
Protons positively charged particles
Neutrons particles in the nucleus
with no charge
Valenceelectrons outer ring particles
electronshells orbitals
Positive attracted to negative charge
Negative attracted to positive
Neutral not having a charge
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Noble gases do not mix with
“common folk” (ie non reactive
elements)
Metals more than half the periodic
table
Metalloids between metals and
nonmetals
Nonmetals elements on the right side
of the periodic table
Flourine the most reactive nonmetal
Halogens column with 7 valence
electrons
Alkaline earth metals does not seem
“metallic” 2nd column from left on
periodic table
Alkali metals first column on left of
periodic table
Groups another word for columns
Periods another word for rows
11/20/12 Tuesday
• Entry Task
• Write down a definition for “chemical
reaction.”
• Re-explain this in your own words.
• Please turn in your quiz reflections.
• Discuss yesterday’s questions.
Today’s Work
• Some reading and a few more questions
before turning in paper…
• Read pages 11-15 in beige Chemistry book.
• Answer questions 1.5-1.10 on page 32.
• Turn in your paper.
Homework
• Read the front and back pages about Chemical
Reactions.
• Circle KEYWORDS and underline MEANINGS.
• At the bottom of the “Observing Chemical
Reactions” page, answer the three “Guide for
Reading” questions.
• Finished early? Read pages 246-249 in The
Story of Science. Write a 2 paragraph
summary.
11/21/12 Wednesday
• Entry Task
• No entry task – please turn in entry task sheets
for week.
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Turn in your homework from last night.
Watch video
Take notes
Turn in your notes.
11/26/12 Monday
• Entry Task
• What is the difference between a physical
change (like melting ice) and a chemical
reaction?
Today’s Work
• Read about physical changes in matter - pages
190-193 and 230 in physical science textbook.
• Read about chemical changes in matter pages 231-233 in physical science textbook.
• Read about nuclear changes in matter - pages
633-635 in physical science textbook.
• Complete worksheet – physical, chemical or
nuclear?
11/27/12 Tuesday
• Entry Task
• How can you tell the difference between a
nuclear change and a chemical change?
• Share answers for “chemical, physical or
nuclear” worksheet
Today’s Work
• Using either of the textbooks…
• List the types of physical properties.
• List physical properties of these main groups:
–
–
–
–
Alkali Metals
Alkaline Earth Metals
Halogens
Noble Gases
• List the types of chemical properties.
• List chemical properties of the same groups.
• Based on physical properties, can you predict which groups
are likely to be solid, liquid or gas at room temperature?
• Based on chemical properties, can you predict which
elements are likely to combine with other elements?
• How does their chemical reactivity relate to valence
electrons? Electronegativity?
11/28/12 Wednesday
• Entry Task
• No Entry Task
Physical/Chemical Changes
Concept Map
• Concept Maps:
– Big ideas towards to top and
details down lower.
– Each line explains the
relationship between the
words.
• Work in partners to arrange the
following words in a concept
map.
• Please include a diagram to add
more information to your map.
- Changes in
State
- Phase
- Solid
- Liquid
- Gas
- Condensation
- Vaporization
- freezing
- Kinetic energy
- Chemical
reaction
- Endothermic
- Exothermic
- Combustion
- Physical
Change
- Chemical “Ice”
Packs
- Reactants
- Products
- Nuclear
Reaction
- Atomic Nucleus
11/29/12 Thursday
• Entry Task
• The kind of change which involves a change in
state or phase between solid, liquid or gas of
the same substance.
• What is __________ _____________?
• Add this to your concept map list!!!
Today’s Work
• Review Answers for yesterday’s sheet
describing physical and chemical properties of
groups on the periodic table.
• Discuss and work on concept maps.
11/30/12 Friday
• Entry Task
• Say Something Nice
• Table Leaders please gather, paperclip, and turn
in your entry task sheets.
• Discuss and turn in your answers for assignment
completed in Ms Evan’s class on Wednesday.
Today’s Work
• Read excerpt from “The Periodic Kingdom.”
pages 125-127 and 137–149.
• How does the author use analogies to
geography and politics to explain periodicity in
the periodic table?
• Please use examples from the text in a 5
paragraph essay.
12/3/12 Monday
• Entry task
• “Thank you, Ms. Maring!”
• FREEBIE!!!
• Please take out your articles…
12/4/12 Tuesday
• Entry Task
• What are the reactants and products in this
chemical reaction:
• SnO2(s) + 2 H2(g) → Sn(s) + 2 H2O(g)
• What state of matter or phase are they in?
5 paragraph essay
• 1 – introduction – restate and answer the
question: How does the author use analogies
to geography and politics to explain
periodicity in the periodic table?
• 2, 3, 4 – examples from text plus your
explanations of text and how it uses analogies
to explain PATTERNS or periodicity.
• 5 – sum it up!
12/5/12 Wednesday
• Entry Task
• What 2 kinds of bonds are explained in the
text?
• How are they similar? How are they different?
• You may also refer to pages 391 – 392 in the
chemistry book.
12/6/12 Thursday
• Entry Task
• What are the reactants and what are the
products in the following chemical equation:
• Ca(OH)2 (aq) + CO2 (g)
CaCO3(s) + H20 (l)
• What is another name for the solid product formed?
• Where did the atoms in the products originate?
• Finish your essays.
12/7/12 Friday
• Entry Task
• Say Something Nice
• Table leaders please paper clip and turn in your entry task
sheets.
• Please turn in your “Limewater Part A and Part B”
homework.
• Finish your essays. Please print them and turn them in.
• Finished?
• Read “The Right Man for the Job” on pages 260-265 in
Story of Science (pink book).
Law of Conservation of Mass
• When finished, read “The Right Man for the Job”
on pages 260-265 in Story of Science (pink book).
• What happens to the mass before and after a
chemical reaction?
• Who discovered this important concept? Where
and when did he live?
• How does he prove that mass may be
transformed but never lost? Describe what he
learned from boiling water; weighing rusted iron,
and burning a log in a closed container to
measure the products.
12/10/12 Monday
• Entry Task
• In your own words, describe “Law of Conservation of
Mass.” You may use the book to assist you!
• Discuss reading and questions.
• Watch video of chemical reactions and take notes in
your notebook.
• Watch clip of Lavoisier at work…
• Finish ESSAYS!!
12/11/12 Tuesday
• Entry Task
• If you conducted a chemical reaction in a closed
container, would any of the mass be missing after
the reaction?
• Review safety procedures for lab work.
• Glue lab sheets on next two pages of
Conservation of Mass Lab
• Your group will need a beaker, alka seltzer tablet,
a plastic bottle with a tight lid, a graduated
cylinder, access to a mass balance, and a lab
sheet 25.1.
1. Find mass of tablet, beaker with 50 mL of water
– DO NOT MIX.
2. Mix tablet with water in beaker – after reaction,
find mass.
3. Calculate change in mass.
4. Finish notes.
5. Find mass of tablet, bottle and lid with 50 mL
of water – DO NOT MIX.
6. Add tablet and QUICKLY put lid on.
7. Find mass after reaction is complete.
8. Open the bottle.
9. Find mass of bottle, solution and lid.
10.Calculate change in mass.
11.Answer questions on the back.
12/12/12 Wednesday
• Entry Task
• How did the lab yesterday demonstrate the
law of conservation of mass?
• How did Lavoisier’s steam, rifle barrel, and
hydrogen gas experiment demonstrate the
law?
Today’s Work
• Quiz on Friday – physical, chemical, or nuclear
changes; reactants/products; representing
molecules and chemical equations;
conservation of mass; explaining analogies
from a text
• Each student will design 20 Jeopardy
questions and answers.
12/13/12 Thursday
• Entry Task
• In terms of electrons, explain the difference
between ionic bonds and covalent bonds.
12/14/12 Friday
• Entry Task
• Say Something Nice
• Turn in your entry task sheets, please!
• Finish Jeopardy game
• Watch and take notes:
http://www.khanacademy.org/science/chemistry
/periodic-table-trends-bonding/v/ionic--covalent-and-metallic-bonds
12/17/12 Monday
• Entry Task
• None – please get out your notebooks and
other materials for the quiz.
• Anything not pertaining to the quiz should go
under your desk.
12/18/12 Tuesday
• Entry Task
• Organize these bonds from strongest to weakest:
covalent, ionic, metallic. Explain.
• http://www.etap.org/demo/Chemistry/chem3/instruct
ion1tutor.html
• Watch and take notes:
http://www.khanacademy.org/science/chemistry/perio
dic-table-trends-bonding/v/ionic--covalent--andmetallic-bonds
12/19/12 Wednesday
• Entry Taks
• Write down any missing work you have.
• We will assemble your missing work for you to
complete over the break.
• Watch “Einstein’s Big Idea”
1/2/12 Wednesday
• Entry Task
• What 3 types of bonds will we be considering?
• In general, what is a bond?
Welcome Back!
• Reminder of Expectations – School Behavior
• Stay on Track – END OF SEMESTER – January 25th
– about 3 weeks. At that point, all grades are
final!!! HIGH SCHOOL TRANSCRIPTS COUNT!!!
• Are you meeting your academic goals?
• Do you know what you need to do to keep your
grade up?
• Have you spoken with me and your parents?
• If necessary, have you made an appointment for
after school?
Reflections
• If you got 15 or less on the quiz, you are
required to complete a reflection.
• You are welcome to complete a reflection to
get points back!
• Complete the worksheet to help practice skills
in listing materials and procedure…
•
Thursday 1/3/12
• Entry Task
• Read about polar and nonpolar substances in
Chemistry book pages 412-413.
• What is bond polarity? How is it related to
electronegativity?
• Watch and take notes:
http://www.khanacademy.org/science/chemis
try/periodic-table-trends-bonding/v/ionic-covalent--and-metallic-bonds
• Act out some ionic bonds.
• Models of covalent bonds – using pages 143145 in lab manual.
Friday 1/4/12
• Entry Task
• Say Something Nice
• Please turn in your entry task sheets!
1/7/13 Monday
• Entry Task
• Read pages 414-415. Why is water a good
solvent?
Today’s Work
• Water Inquiry Lab –
• 4 stations .
• Reading, websites, and a question using
vocabulary for each station.
1/8/13 Tuesday
• Entry Task
• What is surface tension? Why does water have
that property?
• Explain using the idea of polar covalent bonds
and dipoles.
• Complete lab and answer all questions.
1/9/13
• Entry Task
• Do you think methane, CH4 would be polar or
nonpolar? Explain with a drawing or words.
• Look at 3D models of molecules at
• http://www.chemeddl.org/resources/models360
/models.php?pubchem=887
• Draw the structural representation and describe
shape on worksheet.
• Answer questions.
1/10/13 Thursday
• Entry Task
• Which two shapes of molecules appear to
produce polar molecules?
• Would these be good solvents? Why or why not?
• Finish molecular models and worksheet.
• Thermal Expansion Lab
Friday 1/11/13
• Entry Task
• Say Something Nice
• Please turn in your entry task sheets!
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