Sound and Vibration - 1st Grade Science
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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?
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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?
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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.
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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?
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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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What does it mean if something vibrates?
What does it mean if something vibrates?
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Vibrating means small, quick back-and-forth movements. When you pluck a rubber band, it vibrates, when we talk our vocal cords vibrate, everything vibrates when it makes sounds.
Vibrating means small, quick back-and-forth movements. When you pluck a rubber band, it vibrates, when we talk our vocal cords vibrate, everything vibrates when it makes sounds.
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Pat's class is given an empty metal can with plastic wrap stretched across the top secured with a rubber band. His teacher sprinkles salt on the top of the plastic wrap. He is given a tuning fork and told to strike it on the desk and touch it to the side of the can. The rice starts to jump and he hears a sound. Why is this happening?
Pat's class is given an empty metal can with plastic wrap stretched across the top secured with a rubber band. His teacher sprinkles salt on the top of the plastic wrap. He is given a tuning fork and told to strike it on the desk and touch it to the side of the can. The rice starts to jump and he hears a sound. Why is this happening?
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The salt moved because of the vibrations of the tuning fork. When struck on the desk it begins vibrating which makes a quiet sound. When the tuning fork is placed against the can it gets louder because the can is also vibrating. This causes the rice to start "jumping" because it is also vibrating. Pat will hear the tuning fork, metal can, and the sound of the rice hitting the plastic wrap because of the vibrations.
The salt moved because of the vibrations of the tuning fork. When struck on the desk it begins vibrating which makes a quiet sound. When the tuning fork is placed against the can it gets louder because the can is also vibrating. This causes the rice to start "jumping" because it is also vibrating. Pat will hear the tuning fork, metal can, and the sound of the rice hitting the plastic wrap because of the vibrations.
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A vibrating object can produce sound.
A vibrating object can produce sound.
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This is a true statement. Vibrating materials do create sounds. If you think if the strings of a guitar, when strummed the strings vibrate and create the sounds. Sound comes from vibrations.
This is a true statement. Vibrating materials do create sounds. If you think if the strings of a guitar, when strummed the strings vibrate and create the sounds. Sound comes from vibrations.
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What happens when materials vibrate?
What happens when materials vibrate?
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When a material vibrates sound waves are produced and travel through the air. Without vibrations, there would be no sound.
When a material vibrates sound waves are produced and travel through the air. Without vibrations, there would be no sound.
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Ms. Dube's class is experimenting with science today. At the Tuning Fork Station, students hit the tuning forks on the side of a cup. The vibration causes .
Ms. Dube's class is experimenting with science today. At the Tuning Fork Station, students hit the tuning forks on the side of a cup. The vibration causes .
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The vibration of the tuning fork causes sounds to be heard. When an object or material vibrates it creates sound waves. Those waves travel through the air and our ears receive and process the noises.
The vibration of the tuning fork causes sounds to be heard. When an object or material vibrates it creates sound waves. Those waves travel through the air and our ears receive and process the noises.
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How does hitting a drum produce sound?
How does hitting a drum produce sound?
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A drum produces sound when it is struck with a hand or object because the skin or outer covering vibrates. The air vibrates and sound waves move through the air producing the banging noises we hear with drums.
A drum produces sound when it is struck with a hand or object because the skin or outer covering vibrates. The air vibrates and sound waves move through the air producing the banging noises we hear with drums.
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Students place their hands on the front of their throat. The teacher asks them to hum softly and write down what they feel. The teacher asks them to hum louder and write down what they feel. The teacher asks them to be silent and write down what they feel.
Why was there no humming sound when there was no vibration?
Students place their hands on the front of their throat. The teacher asks them to hum softly and write down what they feel. The teacher asks them to hum louder and write down what they feel. The teacher asks them to be silent and write down what they feel.
Why was there no humming sound when there was no vibration?
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When materials (including our vocal cords) vibrate, a sound is produced. When the students hum, there is a vibration; when there is no sound, there is no vibration. For sound waves to be produced, the material has to vibrate.
When materials (including our vocal cords) vibrate, a sound is produced. When the students hum, there is a vibration; when there is no sound, there is no vibration. For sound waves to be produced, the material has to vibrate.
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Students are told to make sounds in class. They stomp their feet, whistle, clap, and snap their fingers.
What do all these sounds have in common?
Students are told to make sounds in class. They stomp their feet, whistle, clap, and snap their fingers.
What do all these sounds have in common?
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All of these sounds have movement in common. Something is moving before or during the sound so cause it to happen. Vibrations from clapping or whistling create the sound waves that carry the noise we hear to our ears.
All of these sounds have movement in common. Something is moving before or during the sound so cause it to happen. Vibrations from clapping or whistling create the sound waves that carry the noise we hear to our ears.
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Place a ruler on the edge of a desk, so that eight inches of it hangs over the side. Place one hand on the four inches that remain on the desk to hold the ruler securely. With your other hand, whack the end of the ruler that is hanging off of the desk. The ruler will vibrate up and down.
What will be produced because of the vibrations?
Place a ruler on the edge of a desk, so that eight inches of it hangs over the side. Place one hand on the four inches that remain on the desk to hold the ruler securely. With your other hand, whack the end of the ruler that is hanging off of the desk. The ruler will vibrate up and down.
What will be produced because of the vibrations?
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Sounds will be produced because of the vibrations from the ruler. When the ruler is whacked and vibrates up and down, sound waves are created, and noise will be heard.
Sounds will be produced because of the vibrations from the ruler. When the ruler is whacked and vibrates up and down, sound waves are created, and noise will be heard.
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What is the definition of sound?
What is the definition of sound?
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Sound is what you hear when vibrations create sound waves and they travel to your ear to be processed. When vibrations happen sound is created.
Sound is what you hear when vibrations create sound waves and they travel to your ear to be processed. When vibrations happen sound is created.
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Which investigation provides evidence relating to sound and vibrations?
Investigation 1: Jack hits a tuning fork on a desk and watches it move back and forth and hears a noise when he moves close. Jack observes a still tuning fork and hears nothing.
Investigation 2: Amber feels rumbling and hears growling in her stomach so she eats mac and cheese for lunch.
Which investigation provides evidence relating to sound and vibrations?
Investigation 1: Jack hits a tuning fork on a desk and watches it move back and forth and hears a noise when he moves close. Jack observes a still tuning fork and hears nothing.
Investigation 2: Amber feels rumbling and hears growling in her stomach so she eats mac and cheese for lunch.
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Investigation 1 provides evidence that there is a relationship between sound and vibrations. The tuning fork is moving back and forth (vibrating) and a sound was made. Jack is able to see the vibrations and then hear a notice when he makes his observations. This shows a link between sound and vibration.
Investigation 1 provides evidence that there is a relationship between sound and vibrations. The tuning fork is moving back and forth (vibrating) and a sound was made. Jack is able to see the vibrations and then hear a notice when he makes his observations. This shows a link between sound and vibration.
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Which investigation does NOT provide evidence relating to sound and vibrations?
Investigation 1: Austin plays a song in the talent show with a guitar he's made. He put four rubber bands over the opening of an empty tissue box and plucks them. When they move it makes music.
Investigation 2: Kim treats her friends poorly and says mean things to them in the science lab. She was trying to hit them with the ruler and snap them with rubber bands. They asked her to stop.
Which investigation does NOT provide evidence relating to sound and vibrations?
Investigation 1: Austin plays a song in the talent show with a guitar he's made. He put four rubber bands over the opening of an empty tissue box and plucks them. When they move it makes music.
Investigation 2: Kim treats her friends poorly and says mean things to them in the science lab. She was trying to hit them with the ruler and snap them with rubber bands. They asked her to stop.
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Investigation 2 does not provide evidence to sound and vibrations. There is a sound that takes place when the students ask Kim to stop or when she is saying mean things, but there is no evidence of vibrations that we can see. Investigation 1 includes information about the rubber bands moving when plucked and that this creates music. This investigation does provide proof of sound and vibrations being related.
Investigation 2 does not provide evidence to sound and vibrations. There is a sound that takes place when the students ask Kim to stop or when she is saying mean things, but there is no evidence of vibrations that we can see. Investigation 1 includes information about the rubber bands moving when plucked and that this creates music. This investigation does provide proof of sound and vibrations being related.
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Mrs. Allen's science class took four different objects and hit them on a table. They observed the objects to see if they made a noise or moved when struck.
Which object(s) would show evidence of vibrations and sound having a relationship?
Mrs. Allen's science class took four different objects and hit them on a table. They observed the objects to see if they made a noise or moved when struck.
Which object(s) would show evidence of vibrations and sound having a relationship?
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The ruler and pencil both show there is a relationship between sound and vibrations. Those two objects were the only to make a noise AND vibrate. As scientific thinkers, the students might connect that noises happen where there are vibrations, which is true.
The ruler and pencil both show there is a relationship between sound and vibrations. Those two objects were the only to make a noise AND vibrate. As scientific thinkers, the students might connect that noises happen where there are vibrations, which is true.
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Why did the ruler hanging off the table make a noise when struck?
Why did the ruler hanging off the table make a noise when struck?
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The ruler hanging off the table made a noise because it could vibrate when struck. There is a relationship between the two, vibrations cause sound and sound cause vibrations.
The ruler hanging off the table made a noise because it could vibrate when struck. There is a relationship between the two, vibrations cause sound and sound cause vibrations.
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Mr. Petersen covers a large bowl with plastic wrap. He puts rainbow sprinkles on top of the plastic. The class observes that the sprinkles are just sitting on the plastic. He leaned down and made a loud, humming sound right next to the sprinkles. The sprinkles started to jump around! He repeated the humming, and the class wrote down their observations.
Which two sentences provide evidence that relates sound and vibrations?
Mr. Petersen covers a large bowl with plastic wrap. He puts rainbow sprinkles on top of the plastic. The class observes that the sprinkles are just sitting on the plastic. He leaned down and made a loud, humming sound right next to the sprinkles. The sprinkles started to jump around! He repeated the humming, and the class wrote down their observations.
Which two sentences provide evidence that relates sound and vibrations?
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The two sentences that provide evidence that sound and vibrations are related are "He leaned down and made a loud humming sound right next to the sprinkles. They started to jump around!". These sentences show the teacher making a humming noise (sound) and the sprinkles moving around (vibrations). The vibrations and sound waves in the air from the humming move the sprinkles.
The two sentences that provide evidence that sound and vibrations are related are "He leaned down and made a loud humming sound right next to the sprinkles. They started to jump around!". These sentences show the teacher making a humming noise (sound) and the sprinkles moving around (vibrations). The vibrations and sound waves in the air from the humming move the sprinkles.
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What are vibrations? Example: The rubber band's vibrations caused a sound to be heard.
What are vibrations? Example: The rubber band's vibrations caused a sound to be heard.
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Vibrations are rapid back-and-forth movements. They are small and repeat many times. In the example, the rubber band was vibrating. This would happen if stretched and then pulled. You could see the rubber band move back and forth.
Vibrations are rapid back-and-forth movements. They are small and repeat many times. In the example, the rubber band was vibrating. This would happen if stretched and then pulled. You could see the rubber band move back and forth.
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