How Can You Tell How Far Away Lightning Is?
How Can You Tell How Far Away Lightning Is? You can tell how far away lightning is by counting the seconds between the lightning flash and t
Tag
Sound Waves
What Causes Sounds?
What Causes Sounds? All sounds are made by vibrations. Lightly place your fingers on your throat, and speak. The buzz you feel is your vocal
Where Are an Owl’s Ears?
Where Are an Owl’s Ears? The tufts on the top of some owls’ heads may look like ears, but the real ears lie beneath feathers at the sides
What Makes a Bell Ring?
What Makes a Bell Ring? A bell is like a metal cup with a clapper hanging inside. When the clapper strikes the bell, the bell vibrates rapid
How Does Tape Recorder Work?
How Does Tape Recorder Work? The tape for a tape recorder is coated with tiny bits of iron. When you speak into a tape recorder microphone,