A Project Guide to Sound
Babies crying, school bells ringing, cars roaring by, the ding signaling that a new text message has arrived . . . sounds are all around us, but how are they made? And how do we hear them? Sounds are created when air vibrates, and we hear them because our ears are specially developed to funnel in and process those vibrations. Through the activities and experiments in this book, youall take a hands-on look at how sounds are made and how they are heard. From salt drums to xylophones and sonic booms, youall have fun making music and noiseaand learning a little along the way!The human ear is made up of three parts: the outer ear, the middle ear, and the inner ear. The outer ear, or auricle, ... and travels down the. Materials Ear diagram (on page 13) Seven different colors of modeling clay or dough Glue S S S 12.
| Title | : | A Project Guide to Sound |
| Author | : | Colleen Kessler |
| Publisher | : | Mitchell Lane Publishers, Inc. - 2012 |
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