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Transcript
Unit Plan Template
Topic: Atomic Structure
Time Frame: Cycle 2
Diman Regional High School
Grade: 11th
2015-2016
Subject: Chemistry I
Teacher: Dr. Slotsky
Stage 1
Content Standard(s)/Goals:
1.3
Describe the three normal states of matter (solid, liquid, gas) in terms of energy, particle
motion, and phase transitions.
2.1
Recognize discoveries from Dalton (atomic theory), Thomson (the electron), Rutherford (the
nucleus), and Bohr (planetary model of atom), and understand how each discovery leads to modern
theory.
2.2
Describe Rutherford’s “gold foil” experiment that led to the discovery of the nuclear atom.
Identify the major components (protons, neutrons, and electrons) of the nuclear atom and explain how
they interact.
2.3
Interpret and apply the laws of conservation of mass, constant composition (definite
proportions), and multiple proportions.
SIS2
Design and conduct scientific investigations.
Understanding/Objective(s): Students will be able to……
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Observe and explain surface tension in liquids
Identify and distinguish between changes of state in gases, liquids, and solids
Identify and distinguish between the laws of conservation of mass, definite proportions, and
multiple proportions
Explain why these observed laws support an atomic theory of matter
Explain the structure of the atom and the roles of protons, neutrons, and electrons
Relate atomic structure to the Periodic Table of the Elements
Essential Question(s):
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What are the smallest units of matter?
What is the evidence that matter is made up of atoms?
What is the evidence for the atomic nucleus?
What is the evidence for electron shells in the atom?
What are protons, neutrons, and electrons?
How does the Periodic Table organize atoms by structure?
Unit Plan Template
Diman Regional High School
2015-2016
Stage 2
Assessment Evidence (Formative, Summative, Quizzes, Tests, Shoptime, CEPA):
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Problems of the day (daily formative checks).
Performing of lab techniques in safe manner as directed.
Conducting scientific investigations in the laboratory.
Maintenance and organization of class binder.
Unit Quiz.
Homework Assignments.
Shop time assignments.
Stage 3
Lesson #1 (Remainder “Properties of Matter”) (Note: May be dropped for short-cycle)
Standard: 1.3
Objective: Observe and Explain Surface Tension in Liquids
Essential Questions:
Why do liquids maintain a constant volume, despite their inability to hold a shape?
What holds liquids together and prevents them from becoming gases?
Warmup: Type I – why is the meniscus curved in a graduated cylinder?
Vocab: p. 380 – Surface Tension. ‘Cohesion’ and ‘Adhesion’ from lecture.
Presentation: Forces in liquids
Activity: Soap/surface tension, drops on a penny minilab
Homework: p 384 #1-2. Short answer question – “Why are Soap Bubbles round?”
Assessment: Problems of the day (daily formative checks). Shop Times. Unit Quiz.
Lesson #2 (Remnant of “Properties of Matter”)
Standard: 1.3
Objective: Identify and contrast melting, freezing, boiling, condensation, sublimation, and deposition
Essential Questions: How does matter undergo transitions between states?
Warmup: Type I – write an example of matter changing state
Vocab - Presentation p. 381-384
Demonstration: Sublimation and deposition of iodine
Homework p. 384 #3,5,6 (8)
Assessment: Problems of the day (daily formative checks). Shop Times. Unit Quiz.
Unit Plan Template
Diman Regional High School
2015-2016
Lab #1
Standard: 2.1, SIS2
Objective: Detect different elements by use of colored flame test
Essential Questions:
How do energy levels in atoms relate to light emission?
How can we use spectroscopy to detect individual elements?
Classwork:
Use handheld spectrometers and arc tubes to distinguish between continuous (sunlight) and discrete
(arc lamps, fluorescent lights) spectra
Identify characteristic colors of different elements in flames
Identify an unknown sample
Homework: Finish lab writeup.
Assessment: Laboratory Writeup, Homework Problems
Lesson #3
Standard: 2.3
Objective: Explain the evidence for Dalton’s atomic theory of matter
Essential Questions:
How did chemists know that matter was made up of atoms, when they were too small to observe
directly?
Warmup: Draw your typical idea of what an ‘atom’ looks like
Classwork: Presentation on p.74-78, copy vocab
Visualize: conservation of mass, definite proportions, multiple proportions, and Dalton’s Laws with
molecular models
Homework: 1) p. 78 1-5, (6)
Assessment: Problems of the day (daily formative checks). Shop Times. Unit Quiz.
Lesson #4
Standard: 2.2
Objective: Explain why Thomson’s cathode rays and Rutherford’s gold foil experiment support a nuclear
model of the atom
Essential Questions:
What are the differences between Dalton’s, Thomson’s, Rutherford’s, Bohr’s, and the quantum model of
the atom?
Warmup: Given mass composition of H2O and H2O2, explain how the Law of Multiple Proportions
applies. Type II writing assignment.
Classwork: Presentation on p.79-83, copy vocab
Homework: Work on Atomic Models packet
Assessment: Problems of the day (daily formative checks). Shop Times. Unit Quiz.
Unit Plan Template
Diman Regional High School
2015-2016
Lesson #5
Standard: 2.2
Objective: Describe the roles of protons, neutrons, and electrons in the atom
Essential Questions:
What is the role of protons in an atom?
What is the role of electrons in an atom?
What is the role of neutrons in an atom?
How is this shown on the Periodic Table?
Warmup Type I: What do you know about protons, neutrons, and electrons?
Presentation on p.84-89, copy vocab
Use Periodic Table to draw models of atoms
Homework: Problems 2, 5, 6, (7) on p. 89
Assessment: Problems of the day (daily formative checks). Shop Times. Unit Quiz.
Lab #2
Standard: 1.3, SIS2
Objective: Recrystallize copper (II) sulfate pentahydrate from solution
Essential Questions:
How do solutions behave at different temperatures?
What is the difference between dissolving something in water and reacting it with water?
Classwork:
Receive samples of anhydrous CuSO4
Dissolve to form solutions of the pentahydrate CuSO4.5H2O
Evaporate to the point of supersaturation and allow to cool
If time permits, harvest crystalline product on filter
Assessment: Following lab procedures. Completion of lab writeup.
Lesson #6
Standard: 2.2
Objective: Relate the concept of isotopes and average mass
Essential Questions:
What is the role of neutrons in an atom?
How is this shown on the Periodic Table?
Why aren’t atomic masses exact whole numbers?
Warmup: Draw the structure of a Helium atom
Classwork:
Elements and Isotopes presentation
Atomic Structure worksheet
Assessment: Problems of the day (daily formative checks). Shop Times. Unit Quiz.Binder Check. Unit
Quiz.
Unit Plan Template
Diman Regional High School
2015-2016
Lesson #7
Standard: 1.3, 2.1, 2.2, 2.3
Objective: Review atomic structure unit
Warmup: Miniquiz
Classwork:
Complete unit study guide
Finalize binder organization
Binder checks
Assessment: Binder Check. Unit Quiz.
Lesson #8
Standard 1.3, 2.1, 2.2, 2.3
Objective: Take Atomic Structure Unit Quiz
Classwork: Take unit quiz. When complete, you may get out your textbook and start on shopwork.
Shopwork:
Onlevel: p. 107-111: 12, 13, 14, 60, 61, 65
Honors: p. 107-111: 30, 31, 32, 52, 55, 65
Final exam prep: Take Quia quiz at http://www.quia.com/quiz/5480839.html
Include the answers as part of your homework (example: ABABCDCDBA)