Have a blast teaching sound with these lesson ideas, which include getting children to strum on cardboard guitars or observe rice move on top of a speaker From children strumming on cardboard guitars ...

That’s an audio clip recorded by scientists last summer under the icy waters of Northwest Greenland. “If we want to describe what animals are doing, we first better understand what sounds are telling ...

Introduction Have you ever listened to noises underwater? Sound travels differently in the water than it does in the air. To learn more, try making your own underwater noises—and listening carefully.