core content coaching grade 8 chemical formulas 14-15
TRANSCRIPT
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Science Grade 8
Core Content Coaching
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Purpose
To provide support for grade-level, unit content planning for the Chemical Formulas Unit
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Resources for planning
• Teacher Yearly Resource Document (or Yearly Itinerary)
• CRM 2: Chemical Reactions and Formulas
• Blank Pacing Calendar
• 8th Grade 2nd Six Weeks Lessons: Chemical Formulas Pacing Guides, Chemical Formulas Daily Lesson Pages
• Computer with Internet Access
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Teacher yearly resource document
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Monday Tuesday Wednesday Thursday Friday
Oct. 6
Chemical Reactions
7 8 9 10
Oct. 13
Student Holiday
14
Chemical Formulas
15 16 17
Oct. 20
Chemical Formulas
21 22
Force & Motion
23 24
Oct. 27
Force & Motion
28 29 30 31
Nov. 3
Force & Motion
4 5 6 7
2nd Six Weeks Planner (24 days)
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8.2C-E8.5: Matter and energy. The student knows that matter is composed of atoms and has chemical and physical properties. The student is expected to:
8.5D recognize that chemical formulas are used to identify substances and determine the number of atoms of each element in chemical formulas containing subscripts
8.5F recognize whether a chemical equation containing coefficients is balanced or not and how that relates to the law of conservation of mass
TEKS & Student expectations
Content TEKS Skills TEKS
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CRM 2: TEKS & Acquisition section
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Teacher Content support
How to Tell if a Chemical Equation is Balanced
http://www.youtube.com/watch?v=l3Nh-Lb69Vw
Chemical Equations- Balanced or Unbalanced?
http://www.youtube.com/watch?v=01V2FtgDm70
ScienceFusion Grade 7 Teacher Edition: Content Refresher: p. 139
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Vertical alignment
6TH GRADE
•6.5A know that an element is a pure substance represented by chemical symbols
•6.5C differentiate between elements and compounds on the most basic level
8TH GRADE
8.5: Matter and energy. The student knows that matter is composed of atoms and has chemical and physical properties. The student is expected to:
8.5D recognize that chemical formulas are used to identify substances and determine the number of atoms of each element in chemical formulas containing subscripts
8.5F recognize whether a chemical equation containing coefficients is balanced or not and how that relates to the law of conservation of mass
CHEMISTRY
•C.8D: use the law of conservation of mass to write and balance chemical equations
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• Elements can be identified using their chemical symbol.
• A compound is composed of two or more elements with different properties than the individual elements.
• Compounds are represented by chemical formulas.
PRIOR LEARNINGH stands for hydrogen.
The O stands for oxygen. It has no number after it. That means there is only one oxygen atom.
The 2 after the H shows that there are two hydrogen atoms.
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2014 STAAR-Released Question
73%
10%
12%
5%
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2014 STAAR-Released Question
Correct: 64%Incorrect: 35%
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2013 STAAR-Released Question
6%
29%
12%
52%
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2013 STAAR-Released Question
Correct: 73%Incorrect: 27%
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2013 STAAR-Released Question
9%
8%
15%
67%
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Based on the data and distractors, what key points should teachers emphasize during lessons?
• The subscript is located after the element it represents.
The 2 after the H shows that there are two hydrogen atoms.
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Based on the data and distractors, what key points should teachers emphasize during lessons?
• When an element does not have a subscript, there is one atom of the element.
• Encourage students to mark a 1 next to any elements without a subscript as a reminder.
• NO SUBSCRIPT = 1
The O stands for oxygen. It has no number after it. That means there is only one oxygen atom.
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Based on the data and distractors, what key points should teachers emphasize during lessons?
• Each chemical formula (without a coefficient) represents a molecule of the compound.
• A chemical equation provides the number of molecules involved in the chemical reaction.
Chemical Formula = # of Atoms of Each Element of a Molecule
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Based on the data and distractors, what key points should teachers emphasize during lessons?
• Students can lack persistence when recognizing balanced equations.
• Build student endurance with numerous examples and a simple strategy for breaking down the equation.
C = 12 C = 6
STOP! NOT BALANCED
C = 6O = 12 + 6 = 18
H = 12
C = 6O = 6 + 12 = 18H = 12
BALANCED
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Components of a good lesson plan
1. Engage Student Interest
2. Review/Scaffold to TEKS
3. Student-Centered Activities directly relating to the depth and complexity of the TEKS
• Labs, Activities, Videos
1. Organize and Practice Vocabulary
2. Reading & Comprehension Strategies
3. Writing Opportunities & Scaffolds
4. Daily Listening & Speaking Opportunities
5. Differentiation
6. Formative Assessment & Reteach
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Embedded in lessons: Engage Student Interest
• Skittles Visual Models
• Daily Guiding Questions & Sentence Frames
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Recommended in lessons:Review / Scaffold to TEKS
• Vocabulary Magic: Chemical Reactions & Formulas
• Chemical Reactions & Formulas Unit Overview
• Quizlet: Chemical Reactions & Formulas
• 8.5DF Counting Atoms in Compounds
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Embedded in lessons: Student-Centered Activities directly relating to the depth and complexity of the TEKS (Labs, Activities, Videos)
• Skittles Visual Models: Modeling Chemical Reactions & Balanced Equations
• 8.5F Recognizing Balanced Equations
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Embedded in lessons:Organize and Practice Vocabulary
• Chemical Reactions & Formulas Unit Overview
• Card Sort Extension
• Exit Ticket
• Journal Entry
• What’s in a Name
• ScienceFusion Student Edition Grade 8 p. 151-152 Questions
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Embedded in lessons:Reading & Comprehension Strategies
• ScienceFusion Student Edition Grade 8 p. 151-152
Comprehension Strategies
• Paired Reading Recommendation: Have each student in a pair read a paragraph at a time and then have the non-reader summarize the section.
• Visualize It Section
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Embedded in lessons:Writing Opportunities & Scaffolds
• Optional Lessons: Writing Science! Explain how to recognize a chemical reaction containing coefficients is balanced or not and how it relates to the law of conservation of mass.
• Scaffolds: Sentence Frames, Word Bank, Write/Share/Revise
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Embedded in lessons:Daily Listening & Speaking Opportunities
“Chemical reactions are represented in ____ . Chemical
equations contain the _____ of the
_____ and _____
of a chemical reaction.”
“A balanced chemical equations represent the law of conservation of mass when the
_____ equal the _____. The number of _____ of _____ equals the number of _____ of _____.”
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• Special Education:
1. Mixed-Ability Partners2. Pre-Teach Vocabulary3. Preteach/Reteach Opportunity4. Audio Option on Quizlet5. Real Word Connection6. Realia7. Print Copy of Daily Guiding Questions & Sentence Frames8. Shared Reading9. Modeling10. Chunking11. Manipulatives12. Anchors of Support13. Think Aloud
• English Language Learners:
1. Preteach/Reteach Opportunity2. Audio Option on Quizlet3. Mixed-Ability Partners 4. Illustrations & Labels 5. Real Word Connection6. Realia7. Print Copy of Daily Guiding Questions & Sentence Frames8. Shared Reading9. Modeling10. Chunking11. Manipulatives12. Anchors of Support13. Sentence Frames14. Dual Language Glossary 15. Think Aloud
Embedded in lessons:Differentiation
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• Quizlet
• Modeling Chemical Equations- ScienceFusion Teacher Edition Grade 8 p. 200
• ScienceFusion Student Edition Grade 8 p. 160-161
• ScienceFusion Optional Lessons
• Other Lessons Folder Activities
• Exit Tickets
• Round Table List
• Journal Entries
• Reading Questions
• Guided Practice
• Independent Practice
Embedded in lessons:Formative Assessment & Reteach
Formative Assessment Reteach Opportunities
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Higher level questions• “Research shows there’s a link between critical thinking skills and increased student achievement in the
classroom.” (Moore & Stanley, 2010)
• Higher level questions must be planned in order to be implemented effectively in the classroom.
• Levels of Questions
• Knowledge
• Comprehension
• Application
• Analysis
• Synthesis
• Evaluation
• Plan and provide a variety of questions at each level and build student knowledge and critical thinking by providing Higher Level Questions.
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Lower Levels of questions
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Higher Levels of questions
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Sample Unit questions
• A sample from this unit using the Daily Guiding Questions.
Knowledge Comprehension Application Analysis Synthesis Evaluate
What is a chemical equation?
Define the law of conservation of mass.
How do you use chemical formulas and equations to
represent a chemical reaction?
How is the law of conservation of
mass represented in a balanced chemical
equation?
Model the following chemical equation.
What is the relationship between
the reactants and products in a chemical
equation?
Predict the products that might occur from the combining of the
reactants below.
How would you evaluate whether a
chemical equation is balanced or not?
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Recommended Anchors of Support
• Chemical Reactions & Formulas Unit Overview
• Card Sort Extension Labeled Graphic
• Law of Conservation of Mass Vocabulary Card
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Anchors of SupportOther Resources
•Interactive Word Wall- Current, working models with student contributions • Interactive Word Walls Article: http://learningcenter.nsta.org/files/ss1103_45.pdf
• “Word walls can be arranged on cupboard doors or classroom walls, or hung from the ceiling with wire and string.”
• “Maximum instructional potential and efficiency are achieved when interactive word-wall construction is aligned with lessons and students are allowed to participate in the process. As a result, walls are usually built over many days and are finished as a unit nears completion. Word walls support units and are changed or replaced as units change.”
• Interactive Word Walls Rubric: Next Slide
• ScienceFusion Textbook, Science Glossaries, Dual Language Science Glossaries
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Academic vocabularyDAILY LESSON PAGE
CURRICULUM ROAD MAP
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