Students are challenged to use computer-aided design (CAD) software to create “complete” …
Students are challenged to use computer-aided design (CAD) software to create “complete” 3D-printed molecule models that take into consideration bond angles and lone-pair positioning. To begin, they explore two interactive digital simulations: “build a molecule” and “molecule shapes.” This aids them in comparing and contrasting existing molecular modeling approaches—ball-and-stick, space-filling, and valence shell electron pair repulsion (VSEPR)—so as to understand their benefits and limitations. In order to complete a worksheet that requires them to draw Lewis dot structures, they determine the characteristics and geometries (valence electrons, polar bonds, shape type, bond angles and overall polarity) of 12 molecules. They also use molecular model kits. These explorations and exercises prepare them to design and 3D print their own models to most accurately depict molecules. Pre/Post quizzes, a step-by-step Blender 3D software tutorial handout and a worksheet are provided.
This chemistry activity was created to enhance student learning about molecular structure. …
This chemistry activity was created to enhance student learning about molecular structure. It guides students through Phet simulations and then asks comprehension questions thereafter.
Explore molecule shapes by building molecules in 3D! How does molecule shape …
Explore molecule shapes by building molecules in 3D! How does molecule shape change with different numbers of bonds and electron pairs? Find out by adding single, double or triple bonds and lone pairs to the central atom. Then, compare the model to real molecules!
This guided inquiry learning activity is designed to be used in a …
This guided inquiry learning activity is designed to be used in a large introductory chemistry course. By working in small groups to discuss the presented information and question prompts, students will engage in cycles of exploring and analyzing data, inventing new conceptual understandings, and applying those concepts. Students should be tasked with working together to complete the prompts in each section by a set time limit. After each section is completed, the entire class can share their answers via a personal response system, and the instructor can review and explain the correct responses, using the accompanying slide deck, which translates the problems into multiple-choice prompts.Instructional resources include 1) the learning activity (.docx and .pdf) 2) the learning objects (.docx and .pdf) and 3) the slide deck (.pptx).- Atomic Orbitals- Chemical Fuels- Gas Laws- Intermolecular Forces- pKa Trends- VSEPR
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