The concept for this lesson is percentage composition. At this point in the year, students should have just finished a nomenclature unit, and feel comfortable writing and naming chemical formulas. They should be able to calculate molar mass, mole conversions, and use simple formulas. I teach this lesson after the nomenclature unit, and after a quick mole review lesson. I do like to challenge my honors and advanced honors students on this lesson—stretch the brain. Included, you will find ways to differentiate this lesson for standard and honors chemistry classes.
Objectives:
The student will calculate percent composition.
Prior Knowledge for Students: Students should be comfortable with nomenclature, molar mass, and mole conversions prior to this lesson.
Teacher Prep Time: Just print and go!
Lesson Duration: One class period plus practice.
Included in This Product:
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Editable, Animated PowerPoint (14 slides)
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Cornell Style Student Notes that follow the PowerPoint (Cloze Notes)
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Student Example of Completed Notes
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Homework w/KEY—all problems completely worked out. (Differentiated to two levels: Honors & Standard)
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Extra Practice Problems for whiteboard practice (Honors & Standard)
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Check for Understanding (exit ticket) w/KEY
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Teacher Notes pages (2 pages) Slide-by-slide background notes for the PowerPoint.
Note on the PowerPoint: The PowerPoint included in this product is editable, and the teacher notes describes ways to differentiate the instruction. It is also animated, which means that it may appear busy or overlapping in the slide mode, but will be awesome in the slide show mode! Please don’t edit the PowerPoint until you have seen it in the slide show mode!
This lesson is appropriate for grades 9-12 chemistry
This will be a lesson you will want to use year after year!
Chemistry Corner
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Check out these other products that you may be interested in:
High School Chemistry Year Curriculum
Chemistry Doodle Notes for the Year
Chemistry: The Mole
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