Science: Sounds

December 14, 2007 10:10 pm admin Science, The Son

Lesson 10

You Hear sounds

Sound is produced by the rapid back-and-forth movement of an object. Sound may be pleasant or unpleasant.
Leave a Comment

Your comment

You can use these tags: <a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <s> <strike> <strong>

Please note: Comment moderation is enabled and may delay your comment. There is no need to resubmit your comment.