shortwave

"The local radio station is broadcasting the school's graduation ceremony live this afternoon. "

"...approximately 60 beats per minute."

"My sister is very helpful, especially when it comes to organizing things. "

"The student's performance on the math test corresponded to the level of effort she put in during the week. "

"The radio station is transmitting music all day. "

"The frequency of bus service has been improved from one every 15 to one every 12 minutes."

"The radio waves used in the school's wireless network have a specific wavelength. "

"The school's announcements are broadcast every morning over the intercom. "

"My science textbook explains that microwaves are a type of energy, like radio waves but with a shorter wavelength. "

"My grandfather helped me with my math homework. "

"The cell phone emits electromagnetic waves that allow us to communicate. "

"The frequency of bus service has been improved from one every 15 to one every 12 minutes."