Students watch 2 videos on echolocation.Students answer questions to reinforce key concepts (how sound waves move, how animals sense their environment, what is sonar).This Google Form can be shared through Google Classroom. Or, you can download and print it as a low-tech option.Videos Used: https://www.youtube.com/watch?v=i6IF7a24AFkhttps://www.youtube.com/watch?v=K-zrBaIt-38