This is another great strategy to review the wide world of Waves. This is a great way to engage your students and review key concepts at the same time. This can be used as a formal or informal assessment. Using your technology, or theirs, students can scan the QR codes and determine the correct answer. Students love QR codes!
This covers some EM Spectrum, some parts of the eye, and some parts of a wave.
Please contact me with any questions.