How-To Themes. Opt for a how-to theme if you want your students to research key steps in a process, according to the Common Core State Standards Initiative. Tell your class that the topics must relate to social studies, science, history, literature, technology or business.
In which kind of wave do the particles of the medium move at right angles to the direction in which the wave is traveling. Transverse. In what way do the particles in the wave move when surface waves combine the properties of transverse and longitudinal waves.
For a sound wave, air is the medium. There are two classes of waves, transverse and longitudinal. A transverse wave is one in which the medium moves perpendicular to the wave direction. Transverse waves cause the medium to move up and down while the wave moves out from its source. An example is an ocean wave. A longitudinal wave,sometimes called a compressional wave, moves in the same direction as the medium.