Podcast
Questions and Answers
What is the primary way that sound is produced?
What is the primary way that sound is produced?
- When objects vibrate (correct)
- Through the movement of air particles
- When objects emit energy
- When electrical signals are generated
During the tuning fork experiment placed in the water, what likely occurs?
During the tuning fork experiment placed in the water, what likely occurs?
- Ripples are created in the water (correct)
- The tuning fork loses its sound
- The water evaporates from the container
- The water remains still without any change
What can be inferred about vibrations and sound?
What can be inferred about vibrations and sound?
- Vibrations can be seen easily
- Vibrations are necessary to hear sound (correct)
- Vibrations travel through solids only
- All vibrations produce sound
Which activity involves identifying different sound sources?
Which activity involves identifying different sound sources?
What happens when you pull down a spatula or ruler overhanging the edge of a table?
What happens when you pull down a spatula or ruler overhanging the edge of a table?
What happens to the bird seeds on the drum when it is tapped gently?
What happens to the bird seeds on the drum when it is tapped gently?
What can you feel when holding your hand above the drum while someone taps it?
What can you feel when holding your hand above the drum while someone taps it?
How does sound travel from a vibrating object to your ear?
How does sound travel from a vibrating object to your ear?
What effect does tapping the drum with more force have on the sound produced?
What effect does tapping the drum with more force have on the sound produced?
During the balloon activity, what is being demonstrated when someone talks at the balloon?
During the balloon activity, what is being demonstrated when someone talks at the balloon?
Flashcards
Sound source
Sound source
An object that produces sound.
Vibrations
Vibrations
Back and forth movements that create sound.
Sound travels through
Sound travels through
Gases, liquids, and solids carry vibrations that become sound.
Tuning fork experiment
Tuning fork experiment
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Vibrating object makes sound
Vibrating object makes sound
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Sound vibrations
Sound vibrations
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Loud sound
Loud sound
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Quiet sound
Quiet sound
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Sound travel
Sound travel
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How sounds are made
How sounds are made
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Study Notes
Sound Sources
- Sound comes from vibrations
- Activities at home, school, and outside help remember sound sources
- Collect five different sound sources
- Tell your partner to guess the sound source names
- Go on a sound walk around the school and grounds
- Identify sound sources
- Sound travels through air, liquids, and solids
- Vibrations are sounds
- Vocal cords vibrate when we talk
- Instrument parts vibrate to make sound
Sound Volume
- Loud and quiet sounds called volume
- Volume linked to the size of vibrations
- Louder sound = larger vibrations
- Quieter sound = smaller vibrations
Pitch
- Sounds can be higher or lower
- Changing sounds pitch called changing pitch
- Faster vibrations = higher pitch
- Slower vibrations = lower pitch
Sound Travel
- Sounds travel through vibrations
- Vibrations travel through air, liquids, and solids
- Vibrations pass to our ears
- Our brain interprets the vibrations as sound
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