Helena's+Sound+Unit

Essential Questions:
 * 1) How do we as scientists learn about sound?
 * 2) What is sound and why is it important?
 * 3) How do we hear sounds?
 * 4) How would our lives be different if we couldn't hear?
 * 5) Is sound more important to a bat than to me? Why or why not?

other instruments ||  || who find out that we have sound. ||  || sound is energy made from vibration || because a bat can't see. ||  ||   ||   || sound waves occur when vibration pass from one molecule of gas, liquid or solid to another. ||
 * My Learning Chart: ||
 * WHAT I KNOW ABOUT SOUND ||  || QUESTIONS I HAVE ABOUT SOUND ||   || WHAT I HAVE LEARNED ABOUT SOUND ||
 * 1;they use experiments. ||  || what is sound more than vibrations ? ||   || sound can be loud, high and low. ||
 * 2;sound is important so we can talk ||  || How can we communicate, if we don't can hear? ||   || ´sound is good to have for many thing ||
 * sound can we use to play piano and
 * 3;i can hear sound with my ears. ||  ||   ||   || sound is vibration. ||
 * 2:sound is vibration. ||  ||   ||   || sound is really important for us people because if we don't have sound we will not can hear what we say to each other. ||
 * 4;that will not be so good if I couldn't hear. ||  ||   ||   || sound is a form for energy. ||
 * 5;sound is more important to a bat than to me
 * ||  ||   ||   || each sound we hear is caused by vibration. ||