Sound | Baamboozle - Baamboozle | The Most Fun Classroom Games!

What is the unit of Amplitude ?

metre

Define Amplitude ?

The maximum displacement of wave on the either side of its mean position is called amplitude .

Bees do not have voice boxes to produce sound . Still they produce sound ?

This happens by the vibrations produced by the quick movement of their wings . Bess Buzz while flying and depositing pollen grains

A voice of a male is more shriller than a voice of a female ?

True

Sound is a form of energy true or false ?

True

Birds have a ring of cartilage called ______________

Syrinx

Define Reflection of sound ?

The process of bouncing back on the sound on a striking surface is called reflection of sound

Name any two uses of ultrasonic sounds ?

It is used for relieving pain in joints and muscles , Ultrasonic sounds are used remove tartar and cavities from teeth

Why are walls of the conference curved ?

The walls of the conference halls are curved so that the sound after reflection reaches all corners uniformly

Define Yodelling ?

The practice of singing with an abrupt change of register from the falsetto

Define Vocal cords ?

Vocal Cords are a pair of thin stretchable ligaments that help us produce sound

Define Frequency

The number of oscillations made by a wave in unit time is called frequency

Define Pitch ?

Pitch is the charecteristic of sound which determines the shrillness of a sound

State any three charecteristics of sound ?

Loundness , Amplitude ,Sensitivity of the ear to the sound

Why do headphones have cushions on them ?

Headphone cushions are placed so that it prevents noise isolation and the cushions prevent sound waves reflect back to the earth

Wavelegnth is represented by ______________

Lambda

What is the other name for long flexible spring ?

Slinky

Does the velocity depend of a wave motion depend on the nature of the motion of the source ?

No

Do waves transport matter ?

No

Do waves transport energy ?

Yes

What do you understand by the term ultrasonic sounds ?

Sounds higher than 20,000 Hz are called ultrasonic sounds

What is the S.I unit of frequency ?

Hertz (Hz)

What do you understand from the term infrasonic sounds ?

The sound frequency lower than 20Hz are called infrasonic sounds

Name the two types of mechanical wave ?

Tranverse wave and Longitudinal wave

Which organ helps to produce sound ?

Larynx or Voice box

What is the audible range of an average human ear ?

An average human ear has 20Hz to 20,0000 Hz

Guess which sound has a higher pitch a guitar or a car horn ? Give reason for your answer

a car horn has a higher pitch than a guitar because sound produced by the former is more shriller than the latter

Suppose if you and your friend are on the moon . Will you able to hear the sound produced by your friend ?

No , you will not be able to as the moon has no atmosphere , Therefore sound waves cannot travel so we cannot hear the sound

Define One Hertz ?

One Hertz is defined as one vibration per second

How does the sound produced by a vibrating object in a medium reach your ear ?

When an object vibrates the surrounding particles also vibrate . These particles are adjacent to the vibrating particle forced to vibrate

What is echo ?

An echo can be defined as the sound that is heard by an observer after it is reflected from a rigid surface

Sound travels faster in ________________

Solids

Name the sounds produced by different musical instruments through part vibration ?

Stringed Instruments , Percussion or membrane instruments , Wind instruments and Reed Instruments

We can hear sounds from which frequency___________________________

500 Hz

We can distinguish a shrill sound from a flat surface by its __________________

Pitch

Why do we cup our hands when we call our friend's name ?

We cup our hands while calling our friend's name as the sound waves do not spread in all directions and travel in one direction

What is frequency ?

The number of times a body vibrates is called frequency

Sound is produced when a body ________________________

Vibrates

Sound can travel in a vacuum true or false ?

False

What is sound ?

Sound is a form of energy that produces the sensation of hearing in our ears is called sound