Summary: This LO addresses what beat frequency is and how to calculate it given the frequencies of two waves. The learning object is presented in a powerpoint presentation with two word problems on beat frequencies.

Summary: the review of beats
http://www.slideshare.net/zhuyunyang3

Summary: This learning object is a discussion of topics including wave interference, beat functions, and constructive/destructive waves. I chose to use a youtube video to explain these concepts because I thought it better communicated my ideas than any other medium.

Summary: My learning objective topic is beats, represented by powerpoint. I show some slides on the definition and concepts of beats and come up with a practice question on the beat frequency.
http://www.slideshare.net/hedyliang7/edit_my_uploads

Summary: Outlines the key components of beats and formulas used in questions. Presented in powerpoint.
https://www.slideshare.net/secret/GIKYEAwyTg3Dfi

Summary: Summary of beats and questions in the form of clicker questions

Summary: I have incorporated both concepts of phase differences and beats to an example about the sound waves produced by whales underwater.

Summary: A presentation that briefly explains the concept of beats followed by multiple choice questions to test knowledge.
http://https://www.dropbox.com/s/5wluwszwgzfx58e/Physics%20LO8%20beats.pptx?dl=0