Investigate how sound makes materials vibrate - 1st Grade Science
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What causes all sounds?
What causes all sounds?
Vibrations cause all sounds. When something vibrates sound waves are sent through the air to our ears to hear. Without vibrations there would be no sounds.
Vibrations cause all sounds. When something vibrates sound waves are sent through the air to our ears to hear. Without vibrations there would be no sounds.
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How does sound travel to our ears?
How does sound travel to our ears?
Sound travels to our ears through sound waves. Once something vibrates sound waves travel through the air and our ears receive and process the sounds.
Sound travels to our ears through sound waves. Once something vibrates sound waves travel through the air and our ears receive and process the sounds.
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Which would be an example of something vibrating to make a sound?
Which would be an example of something vibrating to make a sound?
Creating sound is done by making vibrations. Plucking a stretched rubber band would cause the object to vibrate and sound waves would be created. We would hear a sound if we listen to the rubber band.
Creating sound is done by making vibrations. Plucking a stretched rubber band would cause the object to vibrate and sound waves would be created. We would hear a sound if we listen to the rubber band.
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Vibrating materials make a sound. What can we change about a sound by making it vibrate differently?
Vibrating materials make a sound. What can we change about a sound by making it vibrate differently?
We can change the volume or pitch of something when we change the way it vibrates. Volume is how loud or soft something sounds and pitch is how high or low the sound is. By making something vibrate more or less, faster or slower, we can change the way it sounds.
We can change the volume or pitch of something when we change the way it vibrates. Volume is how loud or soft something sounds and pitch is how high or low the sound is. By making something vibrate more or less, faster or slower, we can change the way it sounds.
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Vibrations of materials make sounds. The vibration of an object creates sound waves that travel to our ears.
What are vibrations?
Vibrations of materials make sounds. The vibration of an object creates sound waves that travel to our ears.
What are vibrations?
Vibrations are quick back-and-forth movements that create sound waves that travel to our ears for us to hear. An example would be the vibrate setting on a cell phone or holding a ruler off a desk and flicking it so it bounces back and forth on the edge of the table.
Vibrations are quick back-and-forth movements that create sound waves that travel to our ears for us to hear. An example would be the vibrate setting on a cell phone or holding a ruler off a desk and flicking it so it bounces back and forth on the edge of the table.
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Which investigation would work best to see how vibrating materials make sounds?
Which investigation would work best to see how vibrating materials make sounds?
The best set-up of an investigation to see how vibrating materials make sounds would be to use a tuning fork. Once the metal tuning fork is hit on the best students can visually see the fork vibrating and can move their ears closer to listen. Students will be able to see and hear how the vibrations work.
The best set-up of an investigation to see how vibrating materials make sounds would be to use a tuning fork. Once the metal tuning fork is hit on the best students can visually see the fork vibrating and can move their ears closer to listen. Students will be able to see and hear how the vibrations work.
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Put a plastic ruler at the edge of the table so half of it hangs over the edge. Observe the ruler. Hold the ruler down with the palm of one hand on the table. With your other hand push the end of the ruler down and let it go. Observe the ruler again.
How does this investigation demonstrate vibrating materials making a sound?
Put a plastic ruler at the edge of the table so half of it hangs over the edge. Observe the ruler. Hold the ruler down with the palm of one hand on the table. With your other hand push the end of the ruler down and let it go. Observe the ruler again.
How does this investigation demonstrate vibrating materials making a sound?
This investigation demonstrates the difference between a still ruler (no movement or sound) versus a ruler that has been pushed and caused to vibrate (moves up and down, and there is a sound). When the ruler is still, there is no sound, when it begins to vibrate, a sound is heard. This shows that vibrations make sounds.
This investigation demonstrates the difference between a still ruler (no movement or sound) versus a ruler that has been pushed and caused to vibrate (moves up and down, and there is a sound). When the ruler is still, there is no sound, when it begins to vibrate, a sound is heard. This shows that vibrations make sounds.
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How is this picture similar to vibrations making a sound?
How is this picture similar to vibrations making a sound?
This picture demonstrates a drop of water rippling outwards in waves. A similar process happens with sound. Vibration causes a sound wave to be formed, and that sound wave moves outwards towards our ears so it can be processed into sound.
This picture demonstrates a drop of water rippling outwards in waves. A similar process happens with sound. Vibration causes a sound wave to be formed, and that sound wave moves outwards towards our ears so it can be processed into sound.
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The rainbow-colored lines in the back are vibrations represented as _________________. They travel to our ears after a vibrating material makes a sound.
The rainbow-colored lines in the back are vibrations represented as _________________. They travel to our ears after a vibrating material makes a sound.
The colored lines in the background represent sound waves caused by vibrations. When an object vibrates a sound wave is created and this travels to our ear and is processed as a noise we can hear.
The colored lines in the background represent sound waves caused by vibrations. When an object vibrates a sound wave is created and this travels to our ear and is processed as a noise we can hear.
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How does this drum make a sound?
How does this drum make a sound?
The player would bang the drumstick on the surface of the drum, which would cause a vibration of the air in the drum against the outer material. This would travel to our ears as a sound wave so we could hear the music being played.
The player would bang the drumstick on the surface of the drum, which would cause a vibration of the air in the drum against the outer material. This would travel to our ears as a sound wave so we could hear the music being played.
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