Pitch
Volume
Parts of the Ear
Sound
Sound and Communication
100
Describe how you can change the pitch of a ruler.
By changing the length of the ruler. The longer the ruler the lower the pitch because the slower the vibration, and shorter the ruler the higher the pitch because the faster vibration.
100
Describe how you can create a loud and quiet sound with a drum.
Hitting the skin of the drum will create a louder sound. Hitting the skin of the drum slowly will create a quieter sound.
100
What is this part of the ear called? Tell me one interesting thing about this part.
Cochlea
Cochlea is filled with liquid and has tiny hairs lined all over the inside. The tiny hairs in the cochlea move and send signal to the auditory nerve to the brain.
100
Explain why you can't hear in space?
You can't hear in space because in space there is no air, therefore no movement of sound waves.
100
Give an example of how sound is used for entertainment.
listening to music, watching tv, going to a concert, etc.
200
What is the definition of pitch?
Pitch is how high or low is a sound.
200
Give me an example of a loud sound.
airplane, concert, microphone, etc.
200
I am the part of the ear that acts like a large funnel to capture the sounds you hear. What part am I?
Pinna
200
What material would sound travel the best through? Explain your reasoning.
a. underwater
b. brick
c. balloon
Sound waves would travel best through brick, because the particles in a solid are closer together.
200
Give me an example of how sound can be used to communicate a feeling or emotion.
- laughing means someone is having fun or happy
- crying means someone is hurt or sad
- yelling means someone is upset or frustrated
300
Give me an example of a low pitch sound.
man's voice, tube, cello
300
Describe the vibration for a loud sound.
There will be a tall or big wave.
300
Name the part of the ear in the box. Tell me one fact about this part of the ear.
Ear drum
The ear drum vibrates as sound waves travels through the ear canal. Vibration of the ear drums move the 3 tiny bones in the middle ear called the ossicles.
300
What happens when you stop a vibration of a instrument?
You also stop the sound because there are no vibration to move the air particles.
300
Give me an example of how sound is used to provide information, give warning, or giving a signal.
- siren of a fire truck, police car, or ambulance
- cross walk signal
- train signal
- whistle
400
Describe the vibration of a high pitch sound.
The vibration will be faster in a high pitch sound.
400
Describe how can you change the volume of a guitar.
Strumming the guitar harder will create a louder sound and strumming or plucking the strings will create a quieter sound.
400
Name the 3 tiny bones in the middle ear.
Hammer, Anvil, and Stirrup
400
Explain how can you change the volume of a drum.
Hitting the skin of the drum harder will create a louder sound and hitting the skin lightly will create a quieter sound.
400
Explain how First Nations people used different sounds to communicate different messages.
Different drum beat signalled the beginning and end of a start
500
Describe the vibration for a low pitch sound.
The vibration will be slower.
500
Describe the vibration for a quiet sound.
The vibration will be short and small.
500
I am a long tunnel covered in ear wax to protect your ear from getting infections. Sound waves travel through me to reach the ear drums. What part am I?
ear canal
500
How can you change the pitch of a guitar?
By plucking the different strings on a guitar. The thinner the string the higher the pitch and the thicker the sting the lower the pitch.
500
What part of our body produces sound?
Hint: Think of the part that vibrates
vocal cords