Science - Sound 2
Terms
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- How does sound travel?
- Sound travels through the aire waves.
- How does sound travel through the air?
- in sound waves
- When are waves created?
- when molecules of an object move
- What type of wave are sound waves?
- longitudinal wave
- How do you make a sound louder?
- you have to amplify it, or cause more air to be pushed back and forth.
- Why does a hammer make a loud noise when you hammer a nail into the wall?
- it vibrates the wall around the place where you are hammering the nail.
- What does the phrase "conductor of sound" mean?
- a material that sound can pass through.
- Why are solids the best conductors of sounds?
- because the molecules in solids are arranged closer together than in gases or liquids.
- Echo
- sound that bounces back,
- Frequency
- number of sound waves per second.
- Inner ear
- part of the ear that sends signals to the brain.
- Larynx
- voice box region of the throat
- Middle Ear
- part of the ear that makes vibraitons bigger
- Outer Ear
- part of the ear that you can see.
- Pitch
- how low or high a note sounds
- Sound
- wave that travels through the air.
- Vibration
- back and forth movement
- Vocal Cords
- elastic bands in the throat that produce sounds.
- Eardrum
- part of the outer ear that vibrates when sound waves hit it.
- Name the parts of the ear?
- eardrum, inner ear, middle ear, and out ear and larynx.