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This is a student-centered, active learning lesson without lecture or notetaking!

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C.2.G: The student is expected to express and manipulate chemical quantities using scientific conventions and mathematical procedures, including dimensional analysis, scientific notation, and significant figures.

C.8.A: The student is expected to define and use the concept of a mole.

C.8.B: The student is expected to use the mole concept to calculate the number of atoms,… molecules in a sample of material.

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These TWO guided inquiry lessons enable students to construct their own understanding of moles and mole conversions. Students also discover how to determine the molar mass of a substance. Mole conversions are performed using dimensional analysis. Students are able to actively learn the material without lecture or note taking.

Students compare the counting units of dozen, gross, and mole.

• Students use an illustrated handout to compare the molar mass and atomic mass of three elements. They discover that the molar mass of an element is equal to its atomic mass.

• Students study a handout illustrating how to calculate the molar mass of a compound. They discover two steps that must be performed when calculating the molar mass.

• Students practice calculating the molar mass of several compounds.

Students practice identifying the quantity, unit, and substance in a given amount.

Students practice identifying the given amount and final unit in several mole conversion problems.

Students discover three ways to write a conversion factor and practice choosing the correct mole conversion factors needed to solve mole conversion problems.

• Students use a card set and a “two-section” template to learn how to perform unit conversions between moles and grams, moles and liters, moles and molecules, and moles and atoms.

• Students practice performing simple mole conversions. The students may continue to use the card set to help them perform the calculations if needed.

• Students use a card set and a “three-section” template to learn how to perform unit conversions between grams, liters, molecules, and atoms by first converting to moles.

• Students practice performing complex mole conversions. The students may continue to use the card set to help them perform the calculations if needed.

Students work through a set of task cards to gain additional practice determining the molar mass and performing mole conversions.

Students are provided with a student study sheet summarizing the important concepts and vocabulary in this lesson.

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• Remembering: Explain the following terms: counting unit, mole, molar mass, conversion factor.

• Understanding: Identify the “given amount” and “final unit” in a mole conversion problem.

• Applying: Choose the correct conversion factor(s) needed to perform a mole conversion.

• Analyzing: Convert between units of moles and units of grams, liters, molecules, and atoms. Convert between units of grams, liters, molecules, and atoms.

• Evaluating: Discuss why the correct orientation of conversion factors enables units to be canceled in mole conversion problems.

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• Cover page (1 page)

• Guided inquiry lesson (23 pages)

• Colorful handouts (2 pages)

• Task card sets - 6 versions (18 pages)

• Task card answers (3 pages)

• Task card answer sheet (2 pages)

• Student study sheet (1 page)

• Two mole conversion templates (3 pages)

• Teacher notes (2 pages)

• Card Set (8 pages)

• Guided inquiry lesson with suggested answers (24 pages)

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• Look for the

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Kendo's Chemistry Store

Total Pages

87 pages

Answer Key

Included

Teaching Duration

90 minutes

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