This is an activity I have used successfully with my students to practice calculating frequency, energy, and light wavelength. This worksheet is really best used as formative assessment, although you could collect the completed worksheets afterwards to scan them to see if the students are showing the work in the way you want them to. I have not included the "work" for each question because it depends on what you expect of shown "work" from your students. I can write out the "work" at your request and send it to you for free.
Students should already have had a lesson on calculating each of these quantities. They should already know or have access to the relevant equations, such as c = wavelength x frequency, E = hv, and the Rydberg equation and constant. Eight problems are provided, and the answer to each problem is given so as to help the students check their own work. The worksheet is best completed in pairs, with one student "coaching" the second student. One side of the sheet is meant to be completed by one student of the pair. In this way, each student in a pairing is acting as both "player" and "coach" in the same activity.
The "player/coach" cooperative learning structure is NOT my idea (it comes from Kagan's Cooperative Learning book) but the worksheet and questions are originally mine.
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Please leave me some constructive feedback. Happy chemistry teaching!