1. Sound: Lesson 54 What's that sound all around? Expectations: 1. Listen carefully 2. Work hard 3. Be responsible

2. Review: Objects used to focus sound make the energy concentrated, sounding louder. A megaphone is one object that concentrates sound. Sound can travel through solids, liquids, and gases.

3. Listening What sounds do you hear in everyday life? What are these sounds and why are they necessary?

4. Sounds all Around Talking Animals Music Laughing Water flowing Horns and sirens Yelling Insects Thunder Wind

5. So many sounds There are many different sounds in our life. There are sounds that alert us to problems, sounds that entertain us, sounds of machines making things work, and sounds to communicate. These sound waves can travel through solids, liquids, and gases.

6. Ways we count on sound Danger signalsCommunication EnjoymentHome and School

7. Ways we count on sound Danger signals Siren Scream Growl Alarm Beeps Thunder Communication Talk Laughing Words Yelling Whisper Enjoyment Music Singing Nature Humming Whistle Laughing Home and School Talking Sweeping Pencil on paper Objects hitting each other

8. Sound all Around Sound is all around us in our everyday lives. It is important to be able to communicate with others, to learn, to be informed, and to have sound for enjoyment.

9. Review There are many different sounds in our life. We have sounds that alert us to problems, sounds that entertain us, and sounds of machines making things work, just to name a few. These sound waves can travel through solids, liquids, and gases. We perceive these sounds through our ear, which converts it to signals and sends the information to our brain.

10. Assignment: http://www.exploratorium.edu/listen/online_ watch.php Choose two videos and watch how people use listening in their lives and jobs. Write down two jobs where good listening is important. Write two sentences for each about why this job needs good listeners and what would happen if they didn't listen well.

11. I had fun learning and working with you today! Keep your eyes and EARS open, scientist! I will see you next lesson.