Understanding Sound Propagation: Exploring Where Sounds Travel
Dive into the fascinating world of sound propagation with this lesson that investigates where sounds go when they are made. Discover evidence-based insights on how sound travels, and engage in activities to enhance your understanding of sound waves and their directions.
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Presentation Transcript
SOUND LESSON 5B When Something Makes a Sound, Where Does the Sound Go? What Is Our Evidence?
Review: Where Did the Sound Go? What happened when I rang the bell? Where did the sound go? Images courtesy of BSCS
Todays Focus Questions When something makes a sound, where does the sound go? What is our evidence?
Draw Your Prediction Courtesy of BSCS
What Did You Predict? When the bell rings, where do you think the sound will go? Courtesy of BSCS
What Happened? Did everyone hear the bell ring? Where could you hear the sound this time? Where did it go? Images courtesy of BSCS
Lets Revise Our Drawings What s missing from your drawing? What would you change or add to make it better?
Share Your Drawing Share your drawing with an elbow partner. (Take turns!) Talk about all of the places where you could hear the sound of the bell. Use this sentence starter: When something makes a sound, the sound goes ________. My evidence is _________. Be prepared to share your ideas and evidence with the class.
Where Did the Sound Go? Courtesy of BSCS
Our Focus Questions When something makes a sound, where does the sound go? What is our evidence? What did we discover today about where sound can go?
Key Science Ideas All soundmakers vibrate and make the air around them vibrate. These vibrations move in waves through the air to our ears. Our eardrums send a message to our brains, and we hear sound. Sound travels in all directions. It doesn t just travel from a soundmaker to one person s ears. Today we discovered that sounds can travel up, down, and farther away.
Next Time In our next lesson, we ll explore how our ears help us hear sound. What ideas do you have? Courtesy of BSCS
