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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…… 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): 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): • • • • • • • 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)