SoundthroughMatter_DirectionQuestion
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![Page 1: SoundthroughMatter_DirectionQuestion](https://reader036.fdocuments.us/reader036/viewer/2022082820/55cf8f66550346703b9bff44/html5/thumbnails/1.jpg)
Sound through Matter
Name: ________________________________________________Date:_________
Read all directions first!Purpose: To compare how sound travels through different media (sand, water, and air).Directions:
1. In the space provided below, make a prediction about which medium (sand, water or air) will allow sound to travel the easiest.
2. Lay bags filled with matter on the table. Each bag should be placed the same distance from the spot on the table where a group member will tap with a pencil.
3. Place your ear to each bag as a group member taps the table near the bags with a pencil.4. Cover your ear that isn't touching the bag. This will block out outside noises. 5. Compare the volume (loudness) of the sound as it travels through a liquid, solid and a
gas. The matter that allows the sound to vibrate through it the easiest will have the loudest sound.
6. Each group member should listen to each bag. The steps below describe the order you will listen to the different types of media.
Prediction: We think the _____________________ will allow sound to pass through it easiest. We think this because:_______________________________________________________
_______________________________________________________
_______________________________________________________
_______________________________________________________
1. After pressing your ear to the bags with the sand and the air, record the type of medium your group thought was louder and therefore allows sound waves to travel better.
_______________________________________________
2. Repeat the process above tapping and listening through the bag filled with water and then the bag filled with air. Which one carried the sound waves better? Record your results.
_______________________________________________________
3. Repeat the above process, this time comparing sand and water. Which of the bags allowed the sound to travel better? Record your results. __________________________________________
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4. Which of the states of matter solid, liquid, or gas allowed the sound waves to travel through it the easiest?
_______________________________
5. Why does your group think this happened?
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
6. Was your groups' prediction correct?
_______________________________
Create something new:Drawings are accepted with an explanation.
7. What does your group think now about how sound waves travel? Using what you found out, how could you make the sound of a guitar louder? Why would it work?
8. What could you do in class to hear what your neighbor is saying without getting in trouble? Why would it work?
9. What could a Mom do if she wants to reduce the noise of children playing? Why would it work?