Vocabulary
Causes of Sound
Travel of Sound
Ear
Animal Sounds
100
This is a back and forth movement.
What is vibration?
100
True or False: All sounds are alike and different.
What is True?
100
You can hear sound only when it travels through this.
What is matter?
100
This is the first part of the ear that collects sound waves traveling in air.
What is the outer ear?
100
This is how insects make noise.
What is vibrating wings?
200
This describes how high or low a sound is.
What is pitch?
200
This is how we hear sound.
What is matter moves back and forth movement/vibrates?
200
True or False: You can hear sound in space.
What is False because there is no matter in space?
200
This is the think, skin-like layer stretched across the inside of the ear.
What is the eardrum?
200
These are the sounds chimpanzees can make.
What are grunt, bark, squeak, scream, and laugh?
300
This is the movement of particles that makes a kind of a wave.
What is compression wave?
300
Objects that vibrate quickly make sounds with this kind of pitch.
What is higher pitch?
300
This is how you hear an echo.
What is it strikes an object and then bounces back?
300
This is the part of the ear that is in the middle part of the year.
What is the little bones?
300
This is the sound that seals make.
What is roar?
400
This is how you measure compression waves.
What is measure from the center of one compression to the center of the next compression?
400
This is how wind instruments make sound.
What is air inside them vibrates?
400
This is the fastest to slowest speed sound travels through gas, liquid, and solid.
What is solid, liquid, gas?
400
This is the part of the ear that is shaped like a shell and is filled with liquid.
What is the inner ear?
400
This is how zebras make noise.
What is vibrating their vocal cords, lips, and nostrils?
500
This is what happens to sound as it travels further away from the source of the sound.
What is lose energy?
500
This is the kind of string that makes a harp have a high pitch.
What are short, thin, and tight strings?
500
This is why it is faster to hear sounds through solids than gases.
What is particles in solids are closer together, so sound travels quickest and particles in gas are further apart, so sound travels slowest?
500
This is how sounds travel through the ear.
What is sound waves travel in the air through the outer ear, then when the sound hits the eardrum, it begins to vibrate, then, when the eardrum vibrates, it makes the little bones vibrate, and finally, the movement of the little bones makes tiny hairs in the liquid vibrate, and the hairs are attached to nerves that carry signals to the brain and we hear.
500
This is the sound that bats make.
What is high-pitched clicking sounds?
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