Ask your young scientist the following:<\/p>\n
<\/p>\n
Seeing Sound<\/strong><\/p>\n What you will need:<\/em><\/span> a bowl covered with plastic wrap, a pinch of salt or dry sand, a loudspeaker connected to a music system<\/p>\n Procedure<\/span><\/em>:<\/p>\n What happened?<\/span><\/em><\/p>\n Sound waves from the loudspeaker travel through the air. They cause the air to vibrate, which then causes the plastic wrap to vibrate. The plastic wrap will make a noise, but you probably cannot heat it because of the music. You can see the vibrations making the salt or the sand move and bounce around on the plastic wrap.<\/p>\n <\/p>\n What is it called when some high-pitched sounds are too high for us to hear? How are ultrasounds<\/em> used or helpful in our community or daily life?<\/p>\n <\/p>\n","protected":false},"excerpt":{"rendered":" Ask your young scientist the following: what is sound?\u00a0 \u00a0 \u00a0—–> with your family try to identify 3 different sounds around your house (i.e., the dog barking, birds chirping, the tv playing, the baby crying, the springs on the trampoline, the water sprinkler, the popcornRead More »<\/a><\/p>\n","protected":false},"author":8957,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[20],"tags":[],"_links":{"self":[{"href":"https:\/\/sd41blogs.ca\/ralpha\/index.php?rest_route=\/wp\/v2\/posts\/554"}],"collection":[{"href":"https:\/\/sd41blogs.ca\/ralpha\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sd41blogs.ca\/ralpha\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sd41blogs.ca\/ralpha\/index.php?rest_route=\/wp\/v2\/users\/8957"}],"replies":[{"embeddable":true,"href":"https:\/\/sd41blogs.ca\/ralpha\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=554"}],"version-history":[{"count":3,"href":"https:\/\/sd41blogs.ca\/ralpha\/index.php?rest_route=\/wp\/v2\/posts\/554\/revisions"}],"predecessor-version":[{"id":557,"href":"https:\/\/sd41blogs.ca\/ralpha\/index.php?rest_route=\/wp\/v2\/posts\/554\/revisions\/557"}],"wp:attachment":[{"href":"https:\/\/sd41blogs.ca\/ralpha\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=554"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sd41blogs.ca\/ralpha\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=554"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sd41blogs.ca\/ralpha\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=554"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}\n