In high school Chemistry, there are several basic (yet critical) skills that students must master. These include taking quality measurements, performing metric conversions, dealing with significant figures/scientific notation, solving problems using dimensional analysis and writing chemical formulas.
Each of these skills gets better with practice, but how much practice a student needs varies from person to person. Providing each student with just the right amount of practice AND timely feedback is challenging.
This project combines the Naming and SigFigs web apps, but it adds login and database functionality as well as scored quizzes.
Quizzes consist of 10 - 20 randomly generated, skill-specific questions. User information and quiz results are stored in the database, which allows students and teachers to track progress.
Students login to the app to complete tutorials, practice problems and scored quizzes.
Teachers login to see a list of their students, assign these students to different classes or view quiz results for their students. Teachers can view scores for all of their students or for a subset of their roster. Average results for each quiz can be viewed for a selection of students or the entire roster.
This project utilizes a modular design, making it easy to add additional skills and expand the reach of the program.

Interactive tutorials (dynaminc notes, short video clips and guided practice problems) help introduce students to the new skills.
"Infinite practice" options provide immediate feedback to help students master the new skills.
Randomly generated quizzes allow students and teaches to assess progress.
Database functionality preserves user information (name, e-mail, best quiz scores, etc.).
Hashing preserves password security.

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