A well-designed, comprehensive, and attractive slide show supports direct instruction on how sonar and echolocation work. Contained within the slides are links to interactive websites and instructions for using apps on a mobile device to...

Lost! (or misplaced) a modifier. Last seen dangling at the end of a sentence! Reward offered! To underscore the humor, class members are each given a sample sentence to illustrate (A woman passed by, leading a Springer Spaniel, in a...