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ALEX Lesson Plan Resources
ALEX Lesson Plans
Subject:
Digital Literacy and Computer Science (9 - 12), or Science (9 - 12)
Title:
Bond Polarity and Determining Molecular Geometry
Description:
In this lesson, students will examine electronegativities of atoms relative to one another to determine if a covalent bond will be classified as polar or nonpolar. Students will use an online simulation to help them understand the importance of lone pairs of electrons as well as bonding pairs of electrons. Students will use ball-and-stick models to examine and identify the shapes of various molecules. This lesson results from a collaboration between the Alabama State Department of Education and ASTA.
Subject:
Digital Literacy and Computer Science (9 - 12), or Science (9 - 12)
Title:
Predicting Periodic Trends
Description:
In this lesson, students will gather quantitative information to construct a graph to show the period trends in electronegativity, electron affinity, and ionization energy. Once, the trends are recognized they will construct a model of these periodic trends using the Alabama Science in Motion Lab (Periodic Trends: Graphs and Straws). This lesson results from a collaboration between the Alabama State Department of Education and ASTA.
