CATCH A The Science Sound Waves Robin Johnson 2 Crabtree Publishing Company www Crabtreebooks com
SHARING INFORMATION Sounds help us send and receive messages The wail of a siren tells us a fire truck is on the way The whistle of a kettle tells us it is time for hot cocoa Sounds also help us communicate When people communicate they share ideas and information People communicate in all sorts of ways with spoken words They share stories whisper secrets and sing songs Think of all the sounds you hear each day What information do they give you How do you use sounds to communicate with others WITHOUT A WORD People also communicate without using any words at all You might sigh and tap your fingers when you are bored You might whistle when it is time for recess and groan when you get homework We can interpret the sounds people make to get information about them To interpret means to understand the meaning behind an action mood or
